Service difficulty report · Seat Track · Bombdr DHC8402

Difficulty date
August 27, 2015
Submitted
September 15, 2015
Operation
Air carrier
Aircraft
N414QX
Make and model
Bombdr DHC8402
Aircraft serial
4061
Aircraft time
33,393 hours, 34,836 cycles
Part
Seat Track
Condition
Corroded
Location
Not Reported
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

SEAT TRACK NR 20 HAS EVIDENCE OF CORROSION, REMOVED CORROSION FROM SEAT TRACK NR 20 IAW SRM 53-20-49-02-02. ORIGINAL THICKNESS ON TOP PORTION OF CLAW AT BS X604 IS .420". MATERIAL REMAINING IS .408". MATERIAL LOSS OF .012". INSIDE CLAW PORTION MATERIAL THICKNESS IS .160". MATERIAL REMAINING IS .145", MATERIAL LOSS IS 0.015". MAXIMUM MATERIAL LOSS ALLOWABLE ON TOP IS 0.015 AND INSIDE CLAW IS .035". SEAT TRACK NR 20 IS WITHIN LIMITS IAW SRM 53-20-49-02-02. USED CALIBRATED TOOL, TUC6161, CALIBRATION DUE DATE IS 31 AUG 2016. COMPLIED WITH FORM M-184. C/W ET INSPECTION ON REWORKED AREAS AS MARKED REF NDTM PT1 51-00-06. NO DEFECTS NOTED. ATTACHED NDT REPORT. RESTORED FINISH TO BLENDED AREAS IAW SRM 53-20-49-02-02.