What was found
DURING CRUISE AT FL330, THE LEFT ENGINE BEGAN TO EXHIBIT VIBRATIONS. CREW DIVERTED TO FAR AND LANDED WITHOUT INCIDENT. MAINTENANCE REPLACED THE PRBC ON THE LEFT ENGINE, OPERATIONAL CHECK OK AND NO VIBRATIONS OCCURRED.
- Difficulty date
- March 3, 1997
- Submitted
- March 26, 2000
- Operation
- Air carrier
- Aircraft
- N916RW
- Make and model
- Doug DC931
- Aircraft serial
- 47144
- Engine
- Pwa JT8D9
- System (JASC)
- 7532 · Compressor Bleed Valve
- Part
- Bleed Contl Vlv
- Part number
- 658385
- Condition
- Malfunctioned
- Location
- Lt Engine
- Part time
- 39,931 hours
- Stage of operation
- CR
- Nature of condition
- E, J
- Precautionary procedure
- A
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.