Service difficulty report · Structure · Boeing 7378H4

Difficulty date
December 7, 2021
Submitted
December 22, 2021
Operation
Air carrier
Aircraft
N8673F
Make and model
Boeing 7378H4
Aircraft serial
36937
Aircraft time
20,472 hours, 9,411 cycles
Part
Structure
Condition
Cracked
Location
Bs 663
Stage of operation
UK
How discovered
9
Nature of condition
O
Precautionary procedure
K

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

LT A/C BAY, BS 663, LBL 9.5; LOWER CHORD IS CRACKED. REMOVED DAMAGED SECTION IAW SRM 57-10-10-2R-5. REPLACEMENT ANGLE FABRICATED & -2 SPLICE ANGLE FABRICATED IAW SRM 57-10-10-2R-5. PERFORMED DETAILED INSP OF REPAIR AREA AND UNDERLYING STRUCTURE, NO DEFECTS NOTED IAW SRM 57-10-10-2R-5. COMPLETED FABRICATION OF ALL REPAIRS & PERFORMED INSURANCE CUT IAW SRM 57-10-10-2R-5. TREATED & PRIMED REPAIR & BARE SURFACES IN REPAIR AREA IAW SRM 57-10-10-2R-5. INSTALLED REPAIR ANGLES IAW SRM 57-10-2R-5. HFEC IAW NDT PART 6; 51-00-00 PROC 23 & 16. NO DEDECTS NOTED. APPLIED CAP SEAL TO FUEL TANK FASTENERS IAW SRM 57-10-10-2R-5. ACCOMPLISHED FUEL LEAK CHECK OF THE REPAIR AREA IAW AMM 28-11-00-400-801. NO LEAKS NOTED.

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