What was found
TWO EACH AIR CYCLE MACHINES THRUST BEARING FAILURES WITHIN 6 TO 8 HOURS OF OPERATION. ALLIED SIGNAL HAS TRACED THIS BACK TO A THRUST BEARING FOIL COATING PROCESS PROBLEM IN MID-1994.
- Difficulty date
- July 22, 1996
- Submitted
- March 26, 2000
- Operation
- General aviation
- System (JASC)
- 2150 · Cabin Cooling System
- Part
- Acm
- Part number
- 220470001
- Condition
- Failed
- Location
- Thrust Bearing
- Component
- Alidsignal
- Stage of operation
- IN
- Nature of condition
- W
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.