Service difficulty report · Intercostal · Boeing 7377H4

Difficulty date
December 7, 2023
Submitted
January 16, 2024
Operation
Air carrier
Aircraft
N455WN
Make and model
Boeing 7377H4
Aircraft serial
32462
Aircraft time
64,648 hours, 38,599 cycles
Part
Intercostal
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 AFT CARGO BAY ON INTERCOSTAL BS787 TO BS807 WL150 RBL6 S-27R<[01] CORROSION ON AFT CARGO BAY INTERCOSTAL BS787 TO BS807 WL150 RBL6 S-27R WAS FOUND OUT LIMITS. REMOVED; REPLACED AND INSTALLED NEW AFT CARGO BAY INTERCOSTAL AT BS 787 TO BS 807 WL150 RBL6 S-27R PER SRM 51-40-02-0G-0; DWG 146A8132 AND DWG 146A8130.;[02] ADDED PARTS;[03] VERIFIED CORRECTIVE ACTION 1 AND MEASUREMENT TABLE.

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