Service difficulty report · Seat Track · Boeing 7377H4

Difficulty date
September 15, 2021
Submitted
September 20, 2021
Operation
Air carrier
Aircraft
N473WN
Make and model
Boeing 7377H4
Aircraft serial
33832
Aircraft time
58,567 hours, 34,627 cycles
Part
Seat Track
Condition
Corroded
Location
Bs 685 Lbl 24
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

PASSENGER CABIN SEAT TRACK LBL 24 STA 685 WL 208 HAS CORROSION ON UPPER AND LOWER SURFACE<REMOVED CORROSION AT LBL24 STA 685 WL 208 AT UPPER AND LOWER SURFACE AND CHECKED WITH 10X MAG IAW SRM 51-10-02-0G-0 MATERIAL. LOSS AT LBL 24 STA 685 WL 208 AT CROWN IS.014 AND LOWER BOTTOM IS .024 WITHIN LIMITS IAW SRM 53-00-52-1A-1 LOSS AT LBL 24 STA 685 WL 208 AT CROWN IS .014 MAX ALLOWABLE IS .020 WITHIN LIMITS IAW SRM 53-00-52-1A-1. LOSS AT LBL 24 STA685 WL 208 AT SEAT TRACK BOTTOM IS .024 MAX ALLOWABLE IS .040 WITHIN LIMITS IAW SRM 53-00-52-1A-1 TREATED AND PRIMED SEAT TRACK IAW SRM 53-00-52 -1A-1.

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