Service difficulty report · Seat Track · Bombdr DHC8402

Difficulty date
June 23, 2015
Submitted
July 1, 2015
Operation
Air carrier
Aircraft
N434MK
Make and model
Bombdr DHC8402
Aircraft serial
4227
Aircraft time
15,994 hours, 17,286 cycles
Part
Seat Track
Condition
Corroded
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 FOUND IN VARIOUS LOCATIONS ON SEAT TRACK NR 1 PN:85328261-107. BLENDED DAMAGED AREAS OF SEAT TRACK NR 1. ORIGINAL THICKNESS OF UPPER CLAW IS 0.420. REMOVED 0.010 MATERIAL MAX REMOVAL ALLOWED 0.015. MATERIAL REMAINING IS 0.410 ORIGINAL THICKNESS ON INNER CLAW PORTION IS 0.160. REMOVED 0.027 MAX REMOVAL ALLOWED IS 0.035. REMAINING THICKNESS IS 0.133 FOUND TO BE WITHIN LIMITS REF SRM 53-20-49, REPAIR-02, PG 205, FIG 201, SHEET 3. C/W ET INSP ON REWORKED AREAS REF NDTM PT1 51-00-06. NO DEFECTS NOTED. APPLIED ALODINE TO BARE METAL ON SEAT TRACK NR 1, REF SRM 51-21-10-02-01. COMPLIED WITH FORM M-184.