Service difficulty report · Skin · Boeing 7377H4

Difficulty date
August 22, 2022
Submitted
September 28, 2022
Operation
Air carrier
Aircraft
N431WN
Make and model
Boeing 7377H4
Aircraft serial
29845
Aircraft time
66,939 hours, 39,408 cycles
Part
Skin
Condition
Bulged
Location
Rt Wing Te
Stage of operation
IN
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

RT WING T/E PANEL 661BB - MULTIPLE FASTENER HOLES ARE BULGING - VIEWED FROM INNER SKIN. 124-019 / [01] PREPARED DAMAGED FASTENER HOLES FOR REPAIR PER B737 SRM 51-70-04-2R-0 PARAG 4.E;[02] VERIFIED 1. OK TO INSTALL REPAIR.;[03] REPAIRED PANEL AT DAMAGED FASTENER HOLES PER B737 SRM 51-70-04-2R-9 PARA 4.E AND 4.N. MATERIALS USED RESIN P/O#1774613 CLOTH P/O#1690463;[04] VERIFIED STEP 3. OK TO PRIME AND TOP-COAT.;[05] PRIMED AND APPLIED TOP COAT ON PANEL 661BB PER B737 AMM 51-21-99-300-802. MATERIALS USED GRAY PAINT P/O#1778997; WHITE PAINT P/O#1780149; PRIMER P/O#1758674;[06] VERIFIED 5.

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