Service difficulty report · Shield · Boeing 7377H4

Difficulty date
May 2, 2022
Submitted
June 9, 2022
Operation
Air carrier
Aircraft
N477WN
Make and model
Boeing 7377H4
Aircraft serial
33988
Aircraft time
60,414 hours, 35,826 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+4; BS 767+8; BS 767+12. / [01] VERIFIED APPLICABILITY FOR ALLOWABLE DAMAGE LIMITS AND NOT FOUND ON SRM; MUST BE REPLACED IAW SRM 51-10-02 PARAGRAPH 9; IDENTIFICATION IAW SRM 53-60-15-0I-1 IDENTIFICATION 1;[02] UPDATE STEP #1 : NO ALLOWABLE DAMAGE LIMITS FOUND IN SRM FOR SHIELD; MUST BE REPLACED IAW SRM 51-10-02-0G-0- PARAGRAPH 9; IDENTIFICATION IAW SRM 53-60-15-0I-1 IDENTIFICATION 1;[03] CERTIFIED CORRECTIVE ACTIONS 1-2.;[04] VERIFIED CORRECTIVE ACTIONS #1 AND #2<BR>VERIFIED MEASUREMENT TABLE;[05] LOCATED; DRILLED AND COUNTERSINK NEW PART P/N:146A8127-12 PO.NUMBER:863320/1 IAW SRM 51-40-05 AND SRM 51-40-08;[06] LOCATED; DRILLED AND COUNTERSINK NEW PART P/N:146A8127-12 PO.NUMBER:863320/1 IAW SRM 51-40-05 ;SRM 51-40-08 AND DWG 146A0081 REV.-A;[07] PART REQUIREMENT;[08] VERIFIED CORRECTIVE ACTION #6

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