Service difficulty report · Nut · Doug DC1030

Difficulty date
May 17, 2007
Submitted
May 23, 2007
Operation
Air carrier
Aircraft
N317FE
Make and model
Doug DC1030
Aircraft serial
46835
Aircraft time
80,550 hours, 21,515 cycles
Part
Nut
Part number
836462012
Condition
Inoperative
Location
Zone 700
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

CENTER GEAR RT PILLOW BLOCK :FWD BOLT BACKED OFF APPROX 1/2 INCH. AFT BOLT LOOSE AND CAN BE ROTATE BY HAND. UPON DISASSEMBLY FOUND PILLOW BLOCK NUTS DO NOT SELF LOCK. REMOVED LT TRUNNION PILLOW BLOCK AND PERFORMED HFEC AND FPI INSPECTION OF HOLE BORE AND BLOCK ASSY PER NDTSPM, TP-MDC-93K0393. NO DEFECTS WERE NOTED. FABRICATED AND INSTALLED FIVE (5). REPAIR BUSHINGS PER CMM 32-15-01. PERFORMED A BREAK AWAY TORQUE CHECK ON THE FOUR (4) PILLOW BLOCK BOLT NUTS PER NASM25027 3.8.2.2.2 TABLE III PRIOR TO RE-INSTALLATION OF TRUNNION PILLOW BLOCK. RE-INSTALLED LT TRUNNION PILLOW BLOCK AND CENTER LG ASSY PER WC 32T7701.

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