SDR SWAA2021101830331

Service difficulty report · Seat Track · Boeing 7377H4

Difficulty date: October 14, 2021
Submitted: October 18, 2021
Operation: Air carrier
Aircraft: N969WN
Make and model: Boeing 7377H4
Aircraft serial: 41777
Aircraft time: 32,404 hours, 19,718 cycles
System (JASC): 5320 · Fuselage Miscellaneous Structure
Part: Seat Track
Condition: Corroded
Location: Fuselage
Stage of operation: UK
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 PASSENGER CABIN SEAT TRACK AT LBL 45.5. WL 208.1, BS 540+18 - 559, 639+8, 663 - 663+11, 685 - 706, 716 - 727+8, AND 727A - 727B. COMPLETED ALL STEPS VERIFIED PARTIAL STEPS 1-6. APPLIED A CHEMICAL CONVERSION COATING AND ONE LAYER OF EPOXY PRIMER TO REWORKED AREAS IAW SRM 51-20-01 AND SOPM 20-41-04 VERIFIED STEPS 1-6 AND CORRECTIVE ACTION 3

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