Service difficulty report · Support · Boeing 7377CT

Difficulty date
June 3, 2021
Submitted
July 12, 2021
Operation
Air carrier
Aircraft
N7823A
Make and model
Boeing 7377CT
Aircraft serial
32749
Aircraft time
61,112 hours, 30,940 cycles
Part
Support
Condition
Corroded
Location
Bs 867
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 FLOOR TO SIDEWALL SUPPORT AT AFT CARGO BAY BS867 RBL20 WL165. ; / [01] EVALUATED CORROSION; FOUND 0.020 REMOVED FROM ORIG 0.040 IN 1'X1' AREA FOUND TO BE OUT OF LIMITS PER SRM 53-00-53-1A-2 USING MICROMETER P/N 4566A S/N UNKOWN; [02] VERIFIED EVALUATED CORROSION; FOUND 0.020 REMOVED FROM ORIG 0.040 IN 1'X1' AREA FOUND TO BE OUT OF LIMITS PER SRM 53-00-53-1A-2 USING MICROMETER P/N 4566A S/N UNKOWN; [03] REMOVED ACB FLOOR TO SIDEWALL SUPPORT AT BS867 - BS887 PER SRM 51-40-02-0G-0; [04] LOCATED AND DRILLED ACB SIDEWALL SUPPORT BS 867-887; RBL 20 PER SRM 51-40-05; DWG# 146A7500; [05] VERIFIED LOCATED AND DRILLED ACB SIDEWALL SUPPORT BS 867-887; RBL 20 PER SRM 51-40-05; DWG# 146A7500; [06] OK TO INSTALL FLOOR TO SIDEWALL SUPPORT; [07] OK TO INSTALL; [08] INSTALLED ACB FLOOR TO SIDEWALL SUPPORT AT BS867- BS887; RBL20; WL 156 PER SRM 51-40-02-OG-O AND DGW 146A7500; [09] ADDED DWG 147A0060; [10] VERIFIED INSTALLATION OF ACB FLOOR-TO-SIDEWALL SUPPORT; BS 867-887; RBL20; WL 156; PER SRM 51-40-02-OG-O; DGW 146A7500; AND DWG 147A0060; [11] COMPLETED; [12] VERIFIED COMPLETION OF ALL WORK THIS TASK

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