What was found
NUMBER 1 ENGINE N1 OVERSPEED OF 103 PERCENT FOR 40 SECONDS. N1 PASSED 100.5 REDLINE FOR 42 SECONDS AND REACHED A MAXIMUM OF 103.0. NO OTHER EXCEEDENCES OCCURRED. INITIAL PROGNOSIS IS A MECHANICAL FAULT IN THE FUEL CONTROL UNIT.
- Difficulty date
- March 10, 2003
- Submitted
- March 18, 2003
- Operation
- Air carrier
- Aircraft
- N546UA
- Make and model
- Boeing 757222
- Aircraft serial
- 25367
- Aircraft time
- 41,015 hours, 12,194 cycles
- Engine
- Pwa PW2037
- Engine time
- 37,417 hours, 13,794 cycles
- System (JASC)
- 7321 · Fuel Control/Turbine Engines
- Part
- Fuel Control
- Part number
- 7791005
- Part serial
- F23464
- Condition
- Failed
- Location
- Nr 1 Engine
- Part time
- 8,511 hours, 2,858 cycles
- Stage of operation
- DE
- How discovered
- 9
- Nature of condition
- J
- Precautionary procedure
- E
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.