Service difficulty report · Frame · Boeing 7377H4

Difficulty date
May 11, 2022
Submitted
May 24, 2022
Operation
Air carrier
Aircraft
N499WN
Make and model
Boeing 7377H4
Aircraft serial
32481
Aircraft time
58,626 hours, 34,700 cycles
Part
Frame
Condition
Cracked
Location
L/H Wing
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

LH WING WTB FAIRING STRUCTURE FOR PANEL 194AL; END RIB ASSY FRAME IS CRACKED (P/N 116A3118-5) / REMOVED WING TO BODY FAIRING SUPPORT FRAME FOR PANEL 191AL IAW SRM 51-40-02-0G-0;VERIFIED NEW FRAME AS P/N 116A3118-9 ATAG WN2069 IAW DWG 116A3110 REV -; VERIFIED STEP 2; LOCATED AND DRILLED NEW FRAME IAW SRM 51-40-05-0G-0; DWG 116A3110 REV-; BEGAN INSTALLATION OF NEW FRAME IAW SRM 51-40-02-0G-0; DWG 116A3110REV-; VERFIED STEP 6; FINISHED INSTALLED NEW FRAME IAW SRM 51-40-02-0G-0 AND DWG 116A3110 REV:-; VERIFIE STEP 8;VERIFIED ITEM 8 AND 9; APPLIED CIC ON NEW FRAME IAW AMM 51 -21-91-620-802;

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