Service difficulty report · Track · Boeing 7377H4

Difficulty date
August 11, 2021
Submitted
September 7, 2021
Operation
Air carrier
Aircraft
N755SA
Make and model
Boeing 7377H4
Aircraft serial
27871
Aircraft time
74,723 hours, 44,099 cycles
Part
Track
Condition
Corroded
Location
Bs 727a
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 TRACK AROUND FASTENER HOLE AT AFT CARGO BAY BS727A+19 LBL17 WL156. ; / [01] EVALUATED CORROSION; FOUND 0.020 REMOVED FROM ORIG 0.070 IN A 1'X1' AREA; FOUND TO BE OUT OF LIMITS PER SRM 53-00-53-1A-2 USING MICROMETER ID# 4566A S/N UNKNOWN; [02] EDITED MEASUREMENT FIELD; [03] VERIFIED EVALUATED CORROSION; FOUND 0.020 REMOVED FROM ORIG 0.070 IN A 1'X1' AREA; FOUND TO BE OUT OF LIMITS PER SRM 53-00-53-1A-2 USING MICROMETER ID# 4566A S/N UNKNOWN; [04] REMOVED ACB CARGO TRACK TIE DOWN AT BS727 -BS867; LBL17; WL156 PER SRM 51-40-02-0G-0; [05] LOCATED AND DRILLED NEW ACB CARGO TIE DOWN TRACK BS727+4 - BS867 LBL17 WL156 IAW SRM 51-40-05-0G-0 AND DWG 146A7500; OK TO INSTALL; [06] VERIFIED LOCATE AND DRILL UP OF NEW TRACK PER SRM 51-40-05 AND DWG 146A7500; OK TO INSTALL.; [07] INSTALLED NEW ACB CARGO TIE DOWN TRACK BS727+4 - BS867 LBL17 WL156 IAW SRM 51-40-05-0G-0; DWG 146A7500 AND DWG 146A0061; [08] RII INSPECTED GOOD INSTALLATION OF TRACK PER SRM 51-40-02 AND DWG 146A7500 AND DWG 146A0061.; [09] VERIFIED GOOD INSTALLATION OF TRACK PER SRM 51-40-02 AND DWG 146A7500 AND DWG 146A0061. JOB COMPLETE.

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