Service difficulty report · Support · Boeing 7377H4

Difficulty date
November 4, 2022
Submitted
December 5, 2022
Operation
Air carrier
Aircraft
N954WN
Make and model
Boeing 7377H4
Aircraft serial
36669
Aircraft time
38,324 hours, 23,332 cycles
Part
Support
Condition
Corroded
Location
Bs 500d
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

CORROSION ON FWD CARGO BAY AFT LOWER BULKHEAD SUPPORT AT BS 500D LBL 21; LBL 19; LBL 17; LBL 4; RBL 7; RBL 12; RBL 15. REMOVED CORROSION ON FCB LOWER BULKHEAD SUPPORT IAW SRM 51-10-02-0G-0 AND EVALUATED LOWER BULKHEAD ANGLE SUPPORT AT BS 500D RBL 15 TO LBL21 IAW SRM 53-30-08-1A-1 PART 4.A (2) FIG.103 DETAIL D AND FOUND TO BE OUT OF LIMITS. LOCATED AND DRILLED IAW SRM 51-40-05-0G-0 AND WILL BE INSTALL WITH CUSTOMER CARD NO TTG8Q0049CHT;[04] VERIFIED CORRECTIVE ACTION 3; VERIFIED MEASUREMENT TABLE

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