Service difficulty report · Support · Boeing 7378H4

Difficulty date
November 27, 2019
Submitted
May 16, 2022
Operation
Air carrier
Aircraft
N8621A
Make and model
Boeing 7378H4
Aircraft serial
36917
Aircraft time
21,611 hours, 9,427 cycles
Part
Support
Condition
Corroded
Location
Fwd Cargo Compt
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*** FWD CARGO PIT LOWER AFT BULKHEAD SUPPORT HAS CORROSION BS 520 LBL 25 TO RBL 25 WL 156 / AFTER EVALUATION OF CORROSION DAMAGE ON THE FWD CARGO AFT LOWER BULKHEAD SUPPORT STA 520 LBL 25 - RBL 25 WL 156 FOUND TO BE OUT OF LIMITS IAW SRM 53-00-53-1A-2. REMOVED AND REPLACED THE FWD CARGO AFT LOWER BULKHEAD SUPPORT STA 520 LBL 25 - RBL 25 WL 156 IAW SRM 51-40-02-0G-0 AND DWG 143A7902.

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