Service difficulty report · Support Angle · Boeing 7377H4

Difficulty date
April 12, 2024
Submitted
May 22, 2024
Operation
Air carrier
Aircraft
N474WN
Make and model
Boeing 7377H4
Aircraft serial
33861
Aircraft time
65,342 hours, 39,098 cycles
Part
Support Angle
Part number
UNKNOWN
Condition
Corroded
Location
Bs 500d L&Rbl22
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

FWD CARGO; CORROSION ON AFT LWR BULKHEAD ANGLE; BS 500D; FROM RBL22 TO LBL22; WL156;<[01] LOCATED AND DRILLED NEW ANGLE P/N 143A9483U35 LOT 1544704-2 IAW SRM 51-40-05;[02] VERIFIED COMPLETION CORRECTIVE ACTION 1;[03] REMOVED AND REPLACED FWD CARGO; AFT LWR BULKHEAD ANGLE; BS 500D; FROM RBL22 TO LBL22; WL156 IAW BOEING DWG 143A7902; SRM 51-40-02;[04] VERIFIED COMPLETION CORRECTIVE ACTION 3 AND MEASUREMENT TABLE.

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