Form 337 instructions

FAA FORM 337 BALTIMORE FLIGHT STANDARDS AIRWORTHINESS GROUP

BLOCK 1 AIRCRAFT VERIFY INFORMATION IS COMPLETE AND ACCURATE . CURRENT AIRCRAFT REGISTRATION WILL PROVIDE THE REQUIRED INFORMATION.

BLOCK 2 OWNER CURRENT AIRCRAFT REGISTRATION WILL PROVIDE THE INFORMATION REQUIRED. LAST NAME USUALLY APPEARS FIRST FOR PRIVATE OWNERS.

BLOCK 3 FAA USE ONLY USED BY FAA INSPECTOR WHEN A FIELD APPROVAL IS REQUIRED.

BLOCK 4 UNIT IDENTIFICATION REFERENCE THE BLOCK FOR THE UNIT BEING REPAIRED OR ALTERED. FOR EXAMPLE: Installation of a different model propeller is an AIRFRAME ALTERATION

BLOCK 4 STC NUMBERS WILL REFERENCE THE UNIT BEING ALTERED FOR EXAMPLE: SA 1234NE is AIRFRAME SE 1234NE is ENGINE SP 1234NE is PROPELLER

BLOCK 5 TYPE MAJOR REPAIRS AND ALTERATIONS ARE DEFINED IN FAR PART43 APPENDIX A. PAR (a) MAJOR ALTERATIONS PAR (b) MAJOR REPAIRS

BLOCK 6 CONFORMITY STATEMENT BLOCK 6A: AGENCY’S NAME AND ADDRESS MECHANICS - NAME AND PERMENANT MAILING ADDRESS. MANUFACTURER’S AND REPAIR STATIONS - NAME AND ADDRESS UNDER WHICH BUSINESS IS DONE.

BLOCK 6 CONFORMITY STATEMENT BLOCK 6B: KIND OF AGENCY CHECK THE APPROPRIATE BOX TO INDICATE CERTIFICATED MECHANIC OR TYPE ORGANIZATION THAT PERFORMED THE WORK.

BLOCK 6 CONFORMITY STATEMENT BLOCK 6C: CERTIFICATE NUMBER MECHANICS - CERTIFICATE NUMBER REPAIR STATIONS - AIR AGENCY CERTIFICATE NUMBER AND RATING(S). MANUFACTURERS - TYPE PRODUCTION OR STC NUMBER. MANUFACTURERS OF TSO APPLIANCES ALTERING SHOULD ENTER TSO NUMBER OF THE APPLIANCE ALTERED.

BLOCK 6 CONFORMITY STATEMENT BLOCK 6D: COMPLIANCE STATEMENT THIS SPACE IS USED TO CERTIFY THAT THE REPAIR OR ALTERATION WAS MADE IN ACCORDANCE WITH THE FARS. CERTIFICATED MECHANIC - ENTER DATE WORK COMPLETED AND SIGNATURE. REPAIR STATIONS - MAY AUTHORIZE PERSONS IN THEIR EMPLOY TO DATE AND SIGN THIS CONFORMITY STATEMENT.

BLOCK 7 APPROVAL FOR RETURN TO SERVICE REMEMBER THE APPROVED AND REJECTED BOXES. CHECK APPROVING AUTHORITY ENTER CERTIFICATE NUMBER AS IT APPEARS ON ENTITIES CERTIFICATE

BLOCK 8 REQUIRED INFORMATION CLEAR, CONCISE, AND LEGIBLE STATEMENT DESCRIBING THE WORK ACCOMPLISHED. DESCRIPTION OF THE REPAIR OR ALTERATION, RELATIVE TO THE AIRCRAFT OR COMPONENT. IDENTIFY AND DESCRIBE THE APPROVED DATA USED AS THE BASIS FOR APPROVING THE MAJOR REPAIR OR ALTERATION FOR RETURN TO SERVICE.

APPROVED DATA TC DATA SHEETS AIRCRAFT SPECS STC’s AD’s APPLIANCE MANUFACTURER’S MANUALS (excluding installation instructions) MANUFACTURER’S APPROVED DATA (DOA) DER APPROVAL, FAA FORM 8110-3 DAS APPROVED DATA

AC43.13-1A: (Aircraft Inspection and Repair section), may be used directly as approved data without further approval ONLY when there is no manufacturer repair or maintenance instructions that address the repair and the user has determined that it is: AC 65-19G APPROVED DATA CONTINUED

APPROPRIATE TO THE PRODUCT BEING REPAIRED ; DIRECTLY APPLICABLE TO THE REPAIR BEING MADE ; AND NOT CONTRARY TO MANUFACTURERS DATA REMEMBER THIS APPROVAL APPLIES ONLY TO REPAIRS !!!

ACCEPTABLE DATA INSTALLATION INSTRUCTIONS MAINTENANCE MANUALS ADVISORRY CIRCULARS SERVICE BULLETINS SERVICE INSTRUCTIONS SERVICE LETTERS

BLOCK 8 RECOMMENDED INFORMATION TOTAL TIME/”N” NUMBER IF ADDITIONAL SHEETS ARE ATTACHED IDENTIFY THEM WITH AIRCRAFT “N” NUMBER AND SERIAL NO.

DIAGRAMS AND DRAWINGS MAY BE INCLUDED IF REQUIRED TO ADEQUATELY EXPLAIN LOCATION AND DETAILS OF THE REPAIR OR ALTERATION REMEMBER TO MARK BLOCK IF ADDITIONAL SHEETS ARE ATTACHED

DISPOSITION AFTER COMPLETION 1 SIGNED COPY TO OWNER/OPERATOR 1 COPY TO FAA FSDO WITHIN 48 HOURS

EXTENDED RANGE FUEL TANKS FAA FORM 337 AT LEAST IN TRIPLICATE. 1 COPY ABOARD THE AIRCRAFT, (FAR 91.417) 1 COPY FOR FAA FSDO 1 SIGNED COPY TO THE OWNER NOTE: APPLICABLE TO TANKS INSTALLED IN PASSENGER OR BAGGAGE COMPARTMENT

ENGINES,PROPELLERS, SPARE PARTS, OR COMPONENTS

COMPLETE APPROVAL PORTION IN DUPLICATE, LEAVING BLOCKS 1 & 2 BLANK ATTACH 2 COPIES TO PART OR COMPONENT UNTIL IT IS INSTALLED ON AN AIRCRAFT REQUIREMENTS OF PERSONS PERFORMING REPAIR OR ALTERATION

REQUIREMENTS OF INSTALLER COMPLETE BLOCKS 1 & 2 OF BOTH ORGINALS. MAKE AN ENTRY IN THE AIRCRAFT RECORDS MAKING REFERENCE TO THE FAA FORM 337 GIVE A SIGNED COPY TO THE OWNER AND FORWARD A COPY TO THE FAA FSDO IN THE AREA WHERE THE INSTALLER IS OPERATING

REFERENCE MATERIAL FAR PART 43 APPENDIX A FAR PART 43 APPENDIX B AC 43.9-1E, INSTRUCTIONS FOR COMPLETING FAA FORM 337 AC 65-19G, INSPECTION AUTHORIZATION KNOWLEDGE TEST GUIDE

Form 337 instructions

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Form 337 instructions