Service difficulty report · Channel · Boeing 7377H4

Difficulty date
June 24, 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
Channel
Condition
Corroded
Location
Bs 960-986
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 AFT SERVICE DOOR MOP SILL BS 960-986 RBL 52 WL 208. ; / [01] REMOVED CORROSION ON AFT SERVICE DOOR MOPSILL STA 960-986; RBL 52; WL 208. MAX MATERIAL REMOVED WAS .012' 1' BY 1' FROM .080'. OUT OF LIMITS PER SRM 53-70-15-01-1; SRM 53-70-15-1A-1; SRM 51-10-02-0G-0.; [02] VERIFIED REMOVED CORROSION ON AFT SERVICE DOOR MOPSILL STA 960-986; RBL 52; WL 208. MAX MATERIAL REMOVED WAS .012' 1' BY 1' FROM .080'. OUT OF LIMITS PER SRM 53-70-15-01-1; SRM 53-70-15-1A-1; SRM 51-10-02-0G-0.; [03] REMOVED DAMAGED AFT SERVICE DOOR MOP SILL PER SRM 51-40-02-0G-0.; [04] VERIFIED REMOVED DAMAGED AFT SERVICE DOOR MOP SILL PER SRM 51-40-02-0G-0.; [05] LOCATED AND DRILLED AND COUNTERSUNK NEW AFT SERVICE DOOR MOPSILL PER SRM 51-40-02-0G-0; SRM 51-40-05-0G-0; SRM 51-40-08-0G-0; DWG# 147A8501; REV A. OK TO INSTALL.; [06] VERIFIED CORRECTIVE ACTION ITEMS 3-5. OK TO INSTALL.; [07] ACCOMPLISHED PARTIAL INSTALLATION OF AFT SERVICE DOOR MOPSIL 100% TEMP OR PERMANENT FASTENERS INSTALLED WITHIN SEALANT SQUEEZE OUT TIME; [08] VERIFIED 100% TEMP OR PERMANENT FASTENERS INSTALLED WITHIN SEALANT SQUEEZE OUT TIME; [09] COMPLETED INSTALLATION OF NEW AFT SERVICE DOOR MOPSILL PER SRM 51-40-02-0G-0 AND BOEING DWG# 147A8501.; [10] VERIFIED INSTALLATION OF NEW ASD MOPSILL PER SRM 51-40-02-0G-0 AND BOEING DWG# 147A8501; VERIFIED REJECTION ISSUE CORRECTED ON OTHER TASK; [11] VERIFIED ALL WORK COMPLETE THIS TASK

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