Service difficulty report · Seat Track · Boeing 75727B

Difficulty date
November 12, 2018
Submitted
November 15, 2018
Operation
Air carrier
Aircraft
N916FD
Make and model
Boeing 75727B
Aircraft serial
24137
Aircraft time
71,433 hours, 27,177 cycles
Part
Seat Track
Condition
Corroded
Location
Fuselage
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 SEAT TRACK, EVIDENCE OF CORROSION ON UPPER SURFACE BS 344 TO BS 376 LBL 6.75. CORROSION REMOVED IAW SRM 51-10-02 REV 125 AND FOUND TO BE OUTSIDE ALLOWABLE LIMITS IAW SRM 53-00-52-1A FIG 101 DETAIL VIII REV 125. NOMINAL THICKNESS OF FLANGE =0.085", DEPTH REMOVED 0.020" MAX ALLOWABLE 0.017 BLEND MUST NOT BE LESS THAN 20X AWAY FROM AN EXISTING FASTENER, BLEND IS AT A FASTENER LOCATION. SEAT TRACK REPLACED IAW DWG 3504.

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