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 867-947; RBL 24; WL 156 / REMOVED CORROSION IN VARIOUS SPOTS AT BS 867-947 ON ACB FLOOR TO SIDEWALL SUPPORT DEEPEST BLEND FOUND TO BE .008'. REMAINING MATERIAL THICKNESS .032' FOUND TO BE OUT OF LIMITS ORIGINAL THICKNESS .040' IAW SRM 51-10-02; SRM 53-00-53-1A-2. FABRICATED ACB FLOOR TO SIDEWALL SUPPORT AT BS 867-947 FROM MATERIAL BAC 1496-377 #7075 T62 LOT #1378796-1. LOCATED AND DRILLED IAW DWG 147A7500 AND SRM 51-40-05. APPLIED CHEMICAL CONVERSION COATING AND PRIMED IAW SRM 51-20-01. INSTALLED ON ACB FLOOR TO SIDEWALL SUPPORT AT BS 867-947 RBL24 IAW DWG 147A7500 AND SRM 51-40-02 80641U 06FEB19

More about the Boeing 737-7H4