Service difficulty report · Cargo Track · Boeing 7377BD

Difficulty date
September 11, 2021
Submitted
April 27, 2022
Operation
Air carrier
Aircraft
N7751A
Make and model
Boeing 7377BD
Aircraft serial
36717
Aircraft time
43,609 hours, 22,223 cycles
Part
Cargo Track
Part number
143A750026
Condition
Corroded
Location
Fwd Cargo Bay
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

SUPPLEMENTAL INFORMATION: CORROSION ON TRACK TIEDOWN IN THE WELL AT FWD CARGO BAY BS436 LBL18 WL156. ; / [01] REMOVED CORROSION ON CARGO TRACK TIEDOWN AT FWD CARGO BAY BS 436 LBL 18 WL 156 MATERIAL LOSS .008 L=1.8; W=.90 MATERIAL LOSS MAX ALLOWABLE REMOVED .040 FOUND TO BE WITHIN LIMITS AREA PER SRM 53-00-53-1A-2 STEP 4 B FIG. 103 OK TO TREAT AND PRIME AREA TOOL USED ID #ATS1737 DATE 07/2021 DUE07/2022; [02] VERIFIED THE CORROSION REMOVAL AND IN LIMITS PER SRM 53-00-53-1A-2 STEP 4 B FIG. 103. OK TO TREAT AND PRIME.; [03] APPLIED CHEMICAL CONVERSION COATING AND PRIMED REWORKED AREA AT CARGO TRACK TIEDOWN FWD CARGO BS 436 LBL 18 WL 156 PER AMM 51-21-41-370-802 AND AMM 51-21-72-370-804. ALL WORK COMPLETED; [04] VERIFIED THE CHEMICAL CONVERSION AND PRIMER APPLICATION PER AMM 51-21-41-370-802 AND AMM 51-21-72-370-804.

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