Service difficulty report · Shield · Boeing 7377Q8

Difficulty date
June 3, 2022
Submitted
June 30, 2022
Operation
Air carrier
Aircraft
N7850B
Make and model
Boeing 7377Q8
Aircraft serial
28238
Aircraft time
59,194 hours, 39,098 cycles
Part
Shield
Condition
Corroded
Location
Fwd Cargo
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 DOOR SHIELD AT RBL 24 BS 500+10; BS 500+18. / [01] NO ALLOWABLE DAMAGE LIMITS IN SRM REPAIR BY REPACEMENT IAW SRM 51-10-02-0G-0 PARAGRAPH # 9;[02] LOCATED AND DRILLED FCB NEW SHIELD AT RBL 24 WL 156 BS 480+14 TO BS 500A P/N 143A8126-31 LOT: 1484884/1 PO:860330/1 IAW SRM 51-40-05 AND DWG 143A8126 REV:A.;[03] SIGNED FOR PART USED.;[04] VERIFIED CORRECTIVE ACTION 1 AND 2. SHIELD WILL BE INSTALLED ON TTG8Q004EC7D;[05] VERIFIED CORRECTIVE ACTION 1; 2 AND THE MEASUREMENT TABLE. SHIELD WILL BE INSTALLED ON TTG8Q004EC7D

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