Service difficulty report · Support · Boeing 7377H4

Difficulty date
September 14, 2020
Submitted
August 16, 2021
Operation
Air carrier
Aircraft
N499WN
Make and model
Boeing 7377H4
Aircraft serial
32481
Aircraft time
54,217 hours, 32,098 cycles
Part
Support
Condition
Corroded
Location
Aft Cargo
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 B.S 727-767; R.B.L 21; W.L. 154. / REMOVED CORROSION ON ACB FLOOR TO SIDEWALL SUPPORT; REWORKED AREA HAD MORE THAN 50% MATERIAL LOSS; FOUND TO BE OUT OF LIMITS IAW SRM 53-00-53-1A-2 REMOVED AND REPLACED FLOOR TO SIDEWALL SUPPORT BS 727-767 RBL 21 IAW SRM 51-40-02 REF DWG 147A7500; FABRICATED FROM EXTRUSION BAC 1496-377 # 7075T6 LOT # 1440996-1 IAW DWG 147A7502 89004U 22SEP20

More about the Boeing 737-7H4