SDR CHI1912

Service difficulty report · Clutch · Boeing 1072A

Difficulty date: September 25, 1997
Submitted: March 26, 2000
Operation: General aviation
Filed by: CHIR823C
Columbia Helicopters, Inc
Make and model: Boeing 1072A
Aircraft serial: 5
System (JASC): 6310 · Engine/Transmission Coupling
Part: Clutch
Part number: 107DS2131
Condition: Slipped
Location: Mix Box Nr 1
Part time: 18,119 hours
Component: 107D2003516
Stage of operation: NR
Nature of condition: O
Precautionary procedure: O

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

AFTER NR 1 IDLER ASSY HAD BEEN REPLACED, AIRCRAFT'S NR 1 CLUTCH, WITH 8.7 HOURS, REPORTED SLIPPING. TRANSMISSION REPLACED AND NR 1 IDLER ASSY DISASSEMBLED. AT THAT TIME IT WAS VISUALLY INSPECTED, PARTS WERE ALSO DIMENSIONALLY CHECKED. AIRCRAFT HAD SAME PROBLEM 01-30-97. TSO, 309.9 HOURS. TT, 17,056.3 HOURS. (X)