Service difficulty report · Support · Boeing 7377BD

Difficulty date
November 27, 2024
Submitted
December 30, 2024
Operation
Air carrier
Aircraft
N7744A
Make and model
Boeing 7377BD
Aircraft serial
33931
Aircraft time
56,818 hours, 30,178 cycles
Part
Support
Condition
Corroded
Location
Zone 100
Stage of operation
IN
How discovered
V
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 AFT CARGO COMPARTMENT AFT BULKHEAD SUPPORT AT STA 947.5; LBL3 AND RBL 15; WL 158.<[01] REJECTED; FOUND CORROSION ON AFT CARGO COMPARTMENT AFT BULKHEAD SUPPORT AT STA 947.5; LBL3 AND RBL 15; WL 158.;[02] REMOVED AND REPLACED ON AFT CARGO COMPARTMENT BULKHEAD SUPPORT AT BS947 FROM RBL 20 TO LBL 8.1 IAW SRM 51-40-02 AND DWG 149A8117 ID: 0006 REV:-;[03] REJECT STEP 4 ITEM 4 AFT CARGO COMPARTMENT BULKHEAD SUPPORT AT BS947 WL158 HAS 5 FASTENER HOLES WITH OVER SIZE COUNTERSINKS. (MARKED);[04] REJECTION WAS VERIFIED ON STEP 4;[05] VERIFIED RII CORRECTIVE ACTION ITEM 2; CARD COMPLETE.

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