Service difficulty report · Seat Track · Boeing 7377H4

Difficulty date
January 27, 2023
Submitted
March 6, 2023
Operation
Air carrier
Aircraft
N955WN
Make and model
Boeing 7377H4
Aircraft serial
36671
Aircraft time
38,739 hours, 23,607 cycles
Part
Seat Track
Condition
Corroded
Location
Zn 100 Fus Lower
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 ON SEAT TRACK OF PASSENGER COMPARTMENT BS 520 LBL 24.<[01] REMOVED CORROSION ON SEAT TRACK CROWN AT BS 520. LBL24. MAX ALLOWABLE DAMAGE IS 0.020 ON CROWN OF SEAT TRACK. DAMAGE REMOVES WAS L=1';W=0.5';D=0.028'. FOUND TRACK TO BE OUT OF LIMITS IAW SRM 53-00-52-1A-1. CAL TOOL ID: ATS2677 SN:UNKNOWN. DUE DATE:11/2023;[02] CERTIFIED CORRECTIVE ACTION 1;[03] VERIFIED CORRECTIVE ACTION #1; OUT OF LIMITS;[04] SEAT TRACK FROM BS 480-520 LBL 25 TO BE REPLACED ON FAULT TTG8Q00HFM8D;[05] VERIFIED ITEM 4 CORRECTIVE ACTIONS. <BR>VERIFIED MEASUREMENTS.

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