Service difficulty report · Seat Track · Bombdr DHC8402

Difficulty date
November 18, 2015
Submitted
November 24, 2015
Operation
Air carrier
Aircraft
N421QX
Make and model
Bombdr DHC8402
Aircraft serial
4149
Aircraft time
21,638 hours, 22,939 cycles
Part
Seat Track
Part number
85361510104
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 13 REQUIRES REPLACEMENT, PN 85361510-104. REMOVED FWD SPLICE MEMBERS COMMON TO SEAT RAIL NR 12 AND NR 13 AT FS 229.5, Y9.250 REF SRM 51-40-15. REMOVED AFT SPLICE MEMBERS COMMON TO SEAT RAIL NR 13 AND NR 14 AT FS 571.5, Y9.250, REF SRM 51-40-15. INSTALLED AFT SPLICE MEMBERS COMMON TO SEAT TRACK NR 13 & 14 AT X571.5, X9.250 REF SRM 51-40-15 AND 51-42-05. REMOVED GROUND WIRE FROM SEAT RAIL BRACKET AT FS 290.5, Y-9.250 REF WM 20-12-10. INSTALLED GROUND WIRES 2421-GS18 AND 2421-GS19 ON SEAT TRACK RAIL BRACKET AT FS 290.5, Y9.250, REF SRM 51-41-00-00-01. DETACHED CABLES FROM LOWER WEB OF SEAT TRACK AT LOCATIONS Y9.250, FS 253.5, FS 286.5 AND FS 293.5, REF WM 20-12-10. REATTACHED CABLES AT LOWER WEB OF SEAT TRACK AT LOCATIONS Y9.250, FS253.5, FS286.5 AND FS X293.5 REF REF WM 20-12-10. INSTALLED 12 RIVETS ON FWD SPLICE MEMBERS COMMON TO SEAT RAIL NR 12 AND NR 13 AT FS 229.5, Y9.250, REF SRM 51-42-05. REMOVED SEAT TRACK PN 85361510-104, SEAT TRACK NR 13 REF SRM 51-42-05 AND 51-41-00 AND 51-40-15. INSTALLED BOLTS COMMON TO SEAT TRACK 13 AND FRAMES FROM BS X236.00 TO X564.500 INSTALLED RIVETS ON WEB FROM BS X439.500 TO X469.5, REF SRM 51-41-00 AND SRM 51-42-05-02-01, STEP 4D, 3-10. FITTED AND DRILLED .2500" BOLT HOLES, FS 230 TO FS 401 AND .1250" WEB ATTACH HOLES FRAME SEAT TRACK NR 13 LOCATED AND DRILLED REF SRM 51-40-07. COMPLETED INSTALLATION OF SEAT TRACK 13, PN 85361510-104, REF DWG 85361501, REV E, AND SRM 51-42-05. COMPLETED INSTALLATION OF FWD SPLICE MEMBERS COMMON TO SEAT TRACK NR 12 AND NR 13 REF SRM 51-40-15.