Service difficulty report · Seat Track · 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
Seat Track
Condition
Corroded
Location
Bs 727c
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 IN WELL OF SEAT TRACK BS727C LBL25 WL 208 ; / [01] UPDATED MEASUREMENTS TABLE.; [02] BLENDED AND REMOVED CORROSION DAMAGE FROM SEAT TRACK FROM BS 727B+17 TO BS 727C+3; LBL25; WL 208 IAW SRM 53-00-52-1A-1 DETAIL A AND SRM 51-10-02-0G-0.; [03] VERIFIED CORROSION REMOVAL PER SRM.; [04] REMOVED .022 FROM AN ALLOWABLE OF .040 FROM SEAT TRACK BS 727B+17 TO BS 727C+3; LBL 25; WL 208 IAW SRM 53-00-52-1A-1 DETAIL A. USED DIAL DEPTH GAGE ATS ID: E96GG; S/N UNKNOWN.; [05] APPLIED CHEMICAL CONVERSION COATING PER SRM 51-20-01; AND APPLIED PRIMER PER SOPM 20-41-04.; [06] CORRECT ITEM 4; CORRECT DIAL DEPTH GAGE ATS ID: E9655; S/N UNKNOWN.; [07] CORRECTION ITEM 4.; [08] VERIFIED; REMOVED .022 FROM AN ALLOWABLE OF .040 FROM SEAT TRACK BS 727B+17 TO BS 727C+3; LBL 25; WL 208 IAW SRM 53-00-52-1A-1 DETAIL A. APPLIED CHEMICAL CONVERSION COATING PER SRM 51-20-01; AND APPLIED PRIMER PER SOPM 20-41-04.

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