Service difficulty report · Cam · Bombdr DHC8400

Difficulty date
December 31, 2012
Submitted
September 14, 2015
Operation
General aviation
Make and model
Bombdr DHC8400
Aircraft time
2,190 hours, 1,540 cycles
Engine
Pwc PW150A
Propeller
Rotol CR4086123F17
Part
Cam
Part number
485101
Condition
Damaged
Location
Mlg
Part time
2,163 hours
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

(CAN) DURING SCHEDULED MAINTENANCE WHEN ACCOMPLISHING SB SB84-32-100 ON THE LT NACELLE, THE 2 LOWER OTBD SECURING BOLTS WERE FOUND MISSING FROM THE MLG ALTERNATE EXTENSION CAM ASSEMBLY, PN 48510-1, AIPC 32-34-26, FIG 1-10. THE MISSING BOLTS WERE PN NAS6203-4, AIPC 32-34-26, FIG 1-20. PHOTOS OF THE REMOVED CAM ASSY SHOW EVIDENCE THAT THESE 2 BOLTS WERE NEVER INSTALLED. THIS IS THE SECOND REPORT OF THESE 2 BOLTS FOUND MISSING.