Service difficulty report · Shield · Boeing 7377H4

Difficulty date
May 12, 2023
Submitted
June 20, 2023
Operation
Air carrier
Aircraft
N429WN
Make and model
Boeing 7377H4
Aircraft serial
33658
Aircraft time
66,602 hours, 39,316 cycles
Part
Shield
Part number
UNKNOWN
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

FORWARD CARGO COMPARTMENT - MULTIPLE AREA OF CORROSION ON AFT DOOR SHIELD BS 480+12 TO BS 500D RBL 24.75<[01] THE STRUCTURAL ITEM DOES NOT HAVE ALLOWABLE DAMAGE ENTRIES. THEREFORE; MUST BE REPAIRED BY REPLACEMENT PER REF SRM 51-10-02-0G-0;[02] REPLACED ;LOCATED AND DRILLED NEW PART PER REF SRM 51-40-05 AND DWG 143A0080;[03] VERIFIED CORRECTIVE ACTION STEPS 1 AND 2. VERIFIED MEASUREMENT TABLE AND TASK CARD COMPLETE.

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