SDR FDEA201109123852

Service difficulty report · Seat Track · Doug MD11F

Difficulty date: September 12, 2011
Submitted: September 23, 2011
Operation: Air carrier
Aircraft: N643FE
Make and model: Doug MD11F
Aircraft serial: 48486
Aircraft time: 48,609 hours, 9,839 cycles
System (JASC): 5347 · Fuselage, Seat/Cargo Attach Fittings
Part: Seat Track
Part number: ADA73492
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

CORRSION ON SEAT TRACK EXCEEDED LIMIT AT BS 899-919, X = 75. CORROSION REMOVED AS PER SRM 51-21-01 REV 47. ORIGINAL THICKNESS = 0.100 INCH; MATERIAL REMOVED = 0.060 INCH; MATERIAL REMAINED = 0.060 INCH, REPAIR FABRICATED AS PER SRM 53-00-52, REV 47 FIGURE 201 REPAIR 1 AND INSTALLED AS PER SRM 51-31-01 REV 47. REPAIR CLASSIFIED AS MAJOR PER GMM 6-2-100, REV 112.

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