Service difficulty report · Sidewall Support · Boeing 7377H4

Difficulty date
April 12, 2024
Submitted
May 22, 2024
Operation
Air carrier
Aircraft
N474WN
Make and model
Boeing 7377H4
Aircraft serial
33861
Aircraft time
65,342 hours, 39,098 cycles
Part
Sidewall Support
Part number
UNKNOWN
Condition
Corroded
Location
Bs 500a-500c
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

FWD CARGO; CORROSION ON SIDEWALL SUPPORT; 500A+12; BS500B+14.500B+18; 500C14; RBL22; WL156;<[01] VERIFIED;[02] CARD COMPLETED;[03] EDITED TABLE;[04] VERIFIED;[05] REMOVED CORROSION ON SIDEWALL SUPPORT; 500A+12; BS500B+14.500B+18; 500C14; RBL22; WL156 PER SRM 51-10-02-0G-0. MAX MATERIAL REMOVED WAS L= 2' BY W= 1' BY .010' FROM .040'. OUT OF LIMITS PER SRM 53-00-53-1A-2. FABRICATED ; LOCATED AND DRILLED SIDEWALL SUPPORT FROM MATERIAL P/N:BAC1496-444#7075T6 ; LOT:1555310-1 AT FCB BETWEEN BS 500A TO BS 500D;RBL 22;WL 156 PER SRM 51-40-05 AND SRM 51-10-02 PAR 9 AND APPLIED CHEMICAL CONVERSION COATING AND PROTECTIVE FINISHES AND INSTSLLED NEW PER SRM 51-20-01-0G-0; SOPM 20-41-02; SRM 51-40-02-0G-0 AND DWG 143A7500; ID: 0045; REV:-;[06] VERIFIED COMPLETION CORRECTIVE ACTION 5 AND MEASUREMENT TABLE.

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