SDR DALA2016050503752

Service difficulty report · Seat Track · Boeing 75726D

Difficulty date: March 28, 2016
Submitted: May 6, 2016
Operation: Air carrier
Aircraft: N822DX
Make and model: Boeing 75726D
Aircraft serial: 33966
Aircraft time: 28,319 hours, 16,502 cycles
System (JASC): 5347 · Fuselage, Seat/Cargo Attach Fittings
Part: Seat Track
Condition: Corroded
Location: Bs 1640
Stage of operation: IN
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 MAIN CABIN SEAT TRACK SUPPORT BS 1640, RBL 24. REMOVED CORROSION ON SEAT TRACK SUPPORT AT BS 1640, RBL 24. MATERIAL LOSS IS .015". ORIGINAL MATERIAL THICKNESS IS .070" REF BAC1508-240/BOEING DWG 146N5126-2. FOUND TO BE OUT OF LIMIT IAW SRM 53-00-52 ALLOWABLE DAMAGE 1, PG 101, FIG 101. R & R SEAT TRACK SUPPORT REF DWG 146N5126-2.

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