What was found
RETURNED TO THE FIELD AT ORD DUE TO ENGINE INDICATION. *S/D* THE FUEL CONTROL UNIT WAS REPLACED FOR FLUCTUATING ENGINE PARAMETERS. THE FUEL CONTROL UNIT HAD A LEAKING MAIN PRESSURE SHUTOFF VALVE (MPSOV).
- Difficulty date
- December 3, 1999
- Submitted
- October 9, 2000
- Operation
- Air carrier
- Aircraft
- N591UA
- Make and model
- Boeing 757222
- Aircraft serial
- 28142
- Aircraft time
- 12,444 hours, 4,751 cycles
- Engine
- Pwa PW2037
- Engine time
- 11,311 hours, 0 cycles
- System (JASC)
- 7320 · Fuel Controlling System
- Part
- Fuel Control
- Part number
- 7791005
- Part serial
- A4469
- Condition
- Malfunctioned
- Location
- Engine
- Part time
- 19,307 hours
- Stage of operation
- NR
- How discovered
- O
- Nature of condition
- J
- Precautionary procedure
- A
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.