Service difficulty report · Shield · Boeing 7377H4

Difficulty date
July 21, 2022
Submitted
August 22, 2022
Operation
Air carrier
Aircraft
N490WN
Make and model
Boeing 7377H4
Aircraft serial
32476
Aircraft time
59,880 hours, 35,571 cycles
Part
Shield
Part number
146A812712
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 FWD SHIELD AT AFT CARGO BAY BS767+8; BS767+12 RBL22. / [01] CORROSION ON FWD SHIELD AT AFT CARGO BAY BS767+8; BS767+12 RBL22 ; FOUND TO BE OUT OF LIMITS DUE NO ALLOWABLE DAMAGE ON SRM ;PART WILL BE REPAIRED BY REMPLACEMENT IAW 51-10-02-0G-0 PAR 9 C;[02] VERIFIED CORRECTIVE ACTION STEP 1.;[03] RECEIVED SHIELD P/N 146A8127-12 LOT: 1494181-1. LOCATED AND DRILLED NEW SHIELD IAW SRM 51-40-05-0G-0; AND DWG 146A008. THIS FAULT WILL BE ACCOMPLISHED ON AD CARD ID TTG8Q004E2GM;[04] CORRECTION STEP 3: RECEIVED SHIELD P/N 146A8127-12 LOT: 1494181-1. LOCATED AND DRILLED NEW SHIELD IAW SRM 51-40-05-0G-0; AND DWG 146A008.;[05] VERIFIED CORRECTIVE ACTIONS 3 AND 4.;[06] UPDATED MEASUREMENT FIELD; ITEM 12 CORRECTED FINAL Z AXIS STATION 2 INCREMENT TO 12'

More about the Boeing 737-7H4