Service difficulty report · Support · Boeing 7377H4

Difficulty date
June 23, 2021
Submitted
August 4, 2021
Operation
Air carrier
Aircraft
N940WN
Make and model
Boeing 7377H4
Aircraft serial
36900
Aircraft time
39,596 hours, 24,067 cycles
Part
Support
Condition
Corroded
Location
Bs 767-793
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 SIDE WALL SUPPORT BS 767-793; RBL 21; WL 156 ; / [01] EVALUATED CORROSION FOUND TO BE OUT OF LIMITS DUE TO NO LIMITS IN THE SRM AND REQUIRES REPLACEMENT PER SRM 51-10-02-0G-0; [02] VERIFIED CORROSION TO BE OUT OF LIMITS DUE TO NO ALLOWABLE DAMAGE PER THE SRM. REPLACE PER SRM 51-10-02-0G-0; [03] REMOVED ACB FWD SHIELD BS767-BS793; RBL 21; WL 156. PER SRM 51-40-02-0G-0; [04] LOCATED AND DRILLED NEW ACB FWD SHIELD BS767-793; RBL21; WL156. PER DWG 146A0081 AND SRM 51-40-05-0G-0; [05] VERIFIED CORRECTIVE ACTION ITEMS 3 AND 4; [06] OK TO INSTALL SHIELD BS 767-793 RBL 21L; WL 156.; [07] OK TO RE-INSTALL ACB FLOOR TO SIDEWALL ANGLE AT BS 767-BS 793; RBL 21; WL 156 GIVEN.; [08] INSTALLED SHIELD BS 767-793 RBL 21; WL 156 PER SRM 51-40-02-0G-0; DWG 146A0081.; [09] VERIFIED INSTALLATION OF FWD SHIELD/ FLOOR TO SIDEWALL SUPPORT BS767-793 RBL21; WL156 PER SRM 51-40-02-0G-0; DWG 146A0081.; [10] VERIFIED REPLACEMENT AND INSTALLATION OF FWD SHIELD/ FLOOR TO SIDEWALL SUPPORT BS767-793 RBL21; WL156 PER SRM 51-40-02-0G-0; DWG 146A0081.

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