Service difficulty report · Shield · Boeing 7378H4

Difficulty date
November 2, 2023
Submitted
December 5, 2023
Operation
Air carrier
Aircraft
N8554X
Make and model
Boeing 7378H4
Aircraft serial
36993
Aircraft time
19,892 hours, 9,901 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

CORROSION FWD CARGO BAY AFT SHIELD BS500+3 TO BS500+17 RBL22 WL156 HAS MULTIPLE AREAS AROUND NUT PLATE HOLES<[01] VERIFIED STEP 1;2 COMPLETE.;[02] DAMAGED SHIELD REPLACED DUE NO DATA FOUND ON SRM NEW SHIELD LOCATED; DRILLED AND INSTALLED IAW SRM 51-40-02-0G-0 AND 51-40-05-0G-0; AND DWG 143A0080.;[03] VERIFIED COMPLETION OF CORRECTIVE ACTIONS 2 AND MEASUREMENT TABLE.

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