Service difficulty report · Shield · Boeing 7377K9

Difficulty date
August 25, 2022
Submitted
September 21, 2022
Operation
Air carrier
Aircraft
N7878A
Make and model
Boeing 7377K9
Aircraft serial
34320
Aircraft time
52,141 hours, 25,914 cycles
Part
Shield
Part number
146A812710A
Condition
Corroded
Location
Aft Cargo Bay
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 AFT CARGO BAY AFT DOOR SHIELD AT RBL 21 BS 847+6; BS 847+9; BS 847+12; BS 847+18. / [01] PRIOR TO REMOVAL; FOUND PART TO HAVE NO SRM LIMITS AND SO PART IS REPAIRABLE BY REPLACEMENT; IAW SRM 51-10-02-0G-0 STEP 9.<BR>RECEIVED NEW SHIELD P/N 146A8127-10A LOT: 1497361-1 ; LOCATED AND DRILLED IAW SRM 51-40-05 AND DWG 146A0081;[02] UPDATED MEASUREMENTS FIELD ITEM 22;[03] REMOVAL AND INSTALLATION ACCOMPLISHED ON CARD AD <BR>ID: TTG8Q004EMMQ.;[04] VERIFIED CORRECTIVE ACTION 1;3 AND MEASUREMENT TABLE.

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