Service difficulty report · Seat Track · Boeing 7377H4

Difficulty date
August 24, 2021
Submitted
September 13, 2021
Operation
Air carrier
Aircraft
N966WN
Make and model
Boeing 7377H4
Aircraft serial
36966
Aircraft time
32,714 hours, 19,999 cycles
Part
Seat Track
Condition
Corroded
Location
Bs 616
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 SEAT TRACK WELL BS 616 +16 LBL 45 WL 208 ; / [01] REMOVED CORROSION ON LOWER SURFACE OF SEAT TRACK AT B.S 616 + 16' LBL45 WL208 IAW SRM 51-10-02-OG-0. BLEND AREA IN LOWER WELL WAS 1'X0.7'X.015' . IN LIMITS IAW SRM 53-00-52-1A-1 FIG 103. DEPTH MEASURED BY DIAL DEPTH GAUGE ; ATS 1737; S/N: NSN; DUE 07/2022;; [02] VERIFIED REMOVED CORROSION ON LOWER SURFACE OF SEAT TRACK AT B.S 616 + 16' LBL45 WL208 IAW SRM 51-10-02-OG-0. BLEND AREA IN LOWER WELL WAS 1'X0.7'X.015' . IN LIMITS IAW SRM 53-00-52-1A-1 FIG 103. DEPTH MEASURED BY DIAL DEPTH GAUGE ; ATS 1737; S/N: NSN; DUE 07/2022; [03] ADDITIONAL DAMAGE AREA ON CUST SYSTEM ID:TTG8Q0069GY2 FOUND OUT OF LIMITS AND WILL BE REPLACED FROM BS 540 TO 727B; LBL46; WL208; [04] CERTIFY; [05] VERIFIED ADDITIONAL DAMAGE AREA ON CUST SYSTEM ID:TTG8Q0069GY2 FOUND OUT OF LIMITS AND WILL BE REPLACED FROM BS 540 TO 727B; LBL46; WL208

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