Service difficulty report · Shield · Boeing 7377H4

Difficulty date
February 9, 2023
Submitted
March 13, 2023
Operation
Air carrier
Aircraft
N277WN
Make and model
Boeing 7377H4
Aircraft serial
32531
Aircraft time
51,901 hours, 31,206 cycles
Part
Shield
Condition
Corroded
Location
Zn 100 Fus Lower
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 DOOR CUTOUT AFT SHIELD BETWEEN STA 500-500A LBL 22' UPPER SURFACE CORROSION FWD CARGO DOOR CUTOUT AFT SHIELD BETWEEN STA 500-500A RBL 22'<[01] RECIEVED; LOCATED AND DRILLED NEW FWD CARGO AFT OF DOOR SURROUND SHIELD STA 500-500A RBL 22 PN: 143A8126-31 (P.O:1772343) PER SRM 51-40-05-0G-0;[02] VERIFIED STEP 1. OK TO TREAT AND PRIME.;[03] TREATED AND PRIMED NEW HOLES ON NEW FWD CARGO AFT OF DOOR SURROUND SHIELD PER AMM 51-21-41-370-803 AND AMM 51-21-72-370-804;[04] VERIFIED STEP 3

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