Service difficulty report · Seat Track · Doug MD11F

Difficulty date
December 6, 2021
Submitted
December 13, 2021
Operation
Air carrier
Aircraft
N574FE
Make and model
Doug MD11F
Aircraft serial
48499
Aircraft time
92,908 hours, 21,886 cycles
Part
Seat Track
Part number
A5A70821
Condition
Corroded
Location
Main Deck Cargo
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

MAIN DECK CARGO COMPARTMENT , RIGHT HAND SEAT TRACK ALONG X = - 8.5 FOUND WITH CORROSION ON FLANGE AT STATION 5-73 AND STATION 5-93. MAIN DECK CARGO COMPARTMENT AT RIGHT HAND SEAT TRACK FLANGE STATION 5-73 AND STATION 5-93 X = - 8.5 , CORROSION EVALUATED FOUND EXFOLIATED AND EXCEEDED LIMIT AS PER SRM 53-00-52-1A FIGURE 101 ALLOWABLE DAMAGE 1. CORRODED SEAT TRACK REPAIRED BY SECTIONAL SEAT TRACK REPLACEMENT FROM STATION 5-63 TO EXISTING SPLICE STATION 5- 123/1531 , X = - 8.5 AS PER SRM 53-00-52-2R REPAIR 1 FIGURE 201. REPAIR CLASSIFIED AS MAJOR PER GMM 6-2-100.

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