Service difficulty report · Shield · Boeing 7377CT

Difficulty date
October 13, 2022
Submitted
November 17, 2022
Operation
Air carrier
Aircraft
N569WN
Make and model
Boeing 7377CT
Aircraft serial
33656
Aircraft time
66,340 hours, 34,395 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

CORROSION ON FWD CARGO BAY AFT DOOR SHIELD AT RBL 24 BS 480+18; BS 500+14. / [01] CORROSION ON FORWARD CARGO BAY AFT DOOR SHIELD LOCATED BTW BS 492.4 - BS 500A FOUND TO BE OUT OF LIMIT DUE TO NO ALLOWABLE DAMAGE ON SRM PARTS WILL BE REPAIRED BY REPLACEMENT IAW SRM 51-10-02-0G-0 PARG.9.C.;[02] RECEIVED SHIELD ASSY. P/N 143A8126-31; LOT. 1492239-1. LOCATED AND DRILLED NEW PART BTW BS 492.4 - BS 500A IAW SRM 51-40-05 AND DWG# 143A0080;[03] ALL MAINTENANCE ACTION ARE COMPLETE REQUEST FINAL BUY OFF.;[04] VERIFIED CORRECTIVE ACTION ITEM 1-2. PHOTO ATTACHED. OUT OF LIMITS. MEASUREMENT FIELD UPDATE FOR PHOTO/LEVEL 2 POTENTIAL NEEDED BY AMT.;[05] VERIFIED MEASUREMENT TABLE AND CORRECTIVE ACTION 3.;[06] ALL MAINTENANCE ACTION ARE COMPLETE REQUEST FINAL BUY OFF.;[07] VERIFIED TASK COMPLETE.

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