Service difficulty report · Seat Track · Boeing 7377H4

Difficulty date
June 20, 2025
Submitted
July 15, 2025
Operation
Air carrier
Aircraft
N449WN
Make and model
Boeing 7377H4
Aircraft serial
32469
Aircraft time
71,625 hours, 42,908 cycles
Part
Seat Track
Condition
Corroded
Location
Zone 200
Stage of operation
IN
How discovered
V
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 LBL 25 AT BS480+17; BS500A+8; BS500D+10. VERIFIED APPLICABILITY PER SRM 53-00-52-1A-1. REMOVED CORROSION ON SURFACE OF SEAT TRACK AT DISCREPANCY AREAS; WERE FOUND WITHIN LIMIT; PER SRM 53-00-52-1A-1; STEP 4A(2)(A); FIG 103; DETAIL A. APPLIED CHEMICAL CONVERSION COATING AND PRIMER TO THE REWORKED AREAS; PER SRM 51-20-01 AND SOPM 20-41-04. THIS FAULT WILL BE ACCOMPLISHED ON CARD # TTG8Q0139M2K FOR SEAT TRACK REPLACEMENT. CORRECTIVE ACTION COMPLETED.

More about the Boeing 737-7H4