Service difficulty report · Support · Boeing 7377CT

Difficulty date
November 3, 2020
Submitted
February 11, 2021
Operation
Air carrier
Aircraft
N569WN
Make and model
Boeing 7377CT
Aircraft serial
33656
Aircraft time
60,893 hours, 31,093 cycles
Part
Support
Part number
146A7500
Condition
Corroded
Location
Aft Cargo
Stage of operation
IN
How discovered
V
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 FLOOR TO SIDEWALL SUPPORT AT AFT CARGO BAY BS727 - BS767 RBL21 WL156. / REMOVED AND INSTALLED NEW FLOOR TO SIDEWALL SUPPORT AFT CARGO B/S 727 - BS 767 RBL 21 WL 156 PO # 805307 IAW SRM 51-40-02 AND DWG 146A7500 REV:- 59899U 11-05-20 CORROSION ON FLOOR TO SIDEWALL SUPPORT IS FOUND TO BE OUT OF LIMITS DUE TO AREAS OF 100% MATERIAL LOSS IAW SRM 53-00-53-1A-2 BS 727-767 RBL 21 W/L 156 4946C 05NOV2020

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