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 45
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 45 STA 685+41' WL 208 HAS CORROSION ON UPPER AND LOWER SURFACE ; / [01] REMOVED CORROSION AT SEAT TRACK 685+41 LBL45 AND PERFORMED 10X MAGNIFYING GLASS I/A/W SRM 51-10-02-0G-0; [02] VERIFIED MATERIAL AT SEAT TRACK STA 685+41 LBL45 <BR>ON BOTTOM OF TRACK LOSS OF .024 MAXIMUM IS .040 IS WITHIN LIMITS I/A/W SRM 53-00-52-1A-1 AAR TOOL 36307 DUE 06\14\22; [03] VERIFIED MATERIAL AT SEAT TRACK STA 685+41 ON UPPER SURFACES LBL45 LOSS OF .008 MAXIMUM IS .020 IS WITHIN LIMITS I/A/W SRM 53-00-52-1A-1 AAR TOOL 36307 DUE 06-14-22; [04] VERIFIED STEPS 1. THRU 3.; [05] OK TO RESTORE FINISH.; [06] TREATED AND PRIMED SEAT TRACK IAW SRM 53-00-52 -1A-1.

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