Service difficulty report · Support · Boeing 7377H4

Difficulty date
February 23, 2019
Submitted
March 3, 2022
Operation
Air carrier
Aircraft
N439WN
Make and model
Boeing 7377H4
Aircraft serial
29834
Aircraft time
54,566 hours, 32,175 cycles
Part
Support
Condition
Corroded
Location
Aft Cargo Compt
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 AFT CARGO BAY FLOOR TO SIDEWALL SUPPORT AT BS 727+4-767; RBL 24; WL 156 / REMOVED DAMAGE ON ACB TO FLOOR TO SIDEWALL SUPPORT AT BS727+4-767 RBL 24. REWORKED MULTIPLES AREAS WITH MORE THAN 50% MATERIAL LOSS FOUND TO BE OUT OF LIMITS IAW SRM 53-00-53-1A-2. REMOVED AND REPLACED ACB FLOOR TO SIDEWALL SUPPORT ITEM BAC 1496-377 #7075T62LO + #1362727-1 IAW DWG 146A7500; SRM 51-40-05; SRM 51-20-01 AND SRM 51-40-02 80641U 11MAR19

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