SDR FDEA202210252656

Service difficulty report · Seat Track · Doug MD11F

Difficulty date: October 25, 2022
Submitted: October 30, 2022
Operation: Air carrier
Aircraft: N596FE
Make and model: Doug MD11F
Aircraft serial: 48554
Aircraft time: 94,421 hours, 20,288 cycles
System (JASC): 5347 · Fuselage, Seat/Cargo Attach Fittings
Part: Seat Track
Part number: A5A70821
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

WHILE ACCOMPLISHING SPECIAL/NONROUNTINE MAINTENANCE. REPAIR FOUND CABIN FLOOR SEAT TRACK AT STA 5-113 X= 27.5 CORRODED. CORROSION ON SEAT TRACK FLANGE AT CABIN STA 5-113 X= 27.5 EVALUATED FOUND EXFOLIATED AND EXCEED LIMITS IAW SRM 53-00-52-1A FIGURE 101 ALLOWABLE DAMAGE 1. CORRODED SEAT TRACK SEGMENT REMOVED IAW SRM 51-31-01-0G AND REPAIRED BY SECTIONAL SEAT TRACK REPLACEMENT IAW SRM 53-00-52-2R FIGURE 201 REPAIR 1. REPAIR CLASSIFIED AS MAJOR PER GMM 6- 2-100. EO # 1-5100-7-5001 B7 PART 1.

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