Service difficulty report · Shield · Boeing 7377H4

Difficulty date
August 18, 2022
Submitted
September 27, 2022
Operation
Air carrier
Aircraft
N489WN
Make and model
Boeing 7377H4
Aircraft serial
33855
Aircraft time
57,460 hours, 34,246 cycles
Part
Shield
Condition
Corroded
Location
Aft 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 AFT CARGO BAY FWD DOOR SHIELD AT RBL 22 BS 767+3; BS 767+19. / [01] NO ALLOWABLE DAMAGE LIMITS IN SRM REPAIR BY REPACEMENT IAW SRM 51-10-02-0G-0 PARAGRAPH # 9;[02] REMOVED ON AFT CARGO BAY FWD DOOR SHIELD AT RBL 22 BS 767; TO BS 787+6 WL 156 IAW SRM 51-40-02.;[03] LOCATED AND DRILLED ON AFT CARGO BAY FWD DOOR NEW SHIELD AT RBL 22 BS 767; TO BS 787+6 WL 156 IAW SRM 51-40-05 AND DWG 146A0081 REV:A;[04] CORRECTIVE ACTION:LOCATED AND DRILLED ON AFT CARGO BAY FWD DOOR NEW SHIELD AT RBL 22 BS 767; TO BS 787+6 WL 156 P/N 146A8127-12 LOT :1494181-1 PO#871693/1 IAW SRM 51-40-05 AND DWG 146A0081 REV:A<BR>CORRECTIVE;[05] VERIFIED CORRECTIVE ACTION 4.;[06] APPLIED TOPCOAT BMS10-11 TYPE II AT 14:30UTC (7:30 LOCAL TIME) ON FWD CARGO FWD DOOR SHIELD AT RBL 22 BS 767+3 AND RBL 22 BS 767+19 IAW AMM 51-21-73-370-804 4.E.(2);[07] PAINT USED: BMS10-11 TYPE II; LOT#: 1500062-1; PN: BMS10-11T2CBBAC702GL;[08] CERTIFIED EDIT;[09] VERIFIED CORRECTIVE ACTION 6 AND 7;[10] TACK FREE CONDITION AND CIC ACCOMPLISHED ON TTG8Q00EEF1V;[11] VERIFIED CORRECTIVE ACTION 10<BR>VERIFIED MEASUREMENT TABLE

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