What was found
APU SHUTDOWN ON ENGINE START. APU INOP PREV HIT INDICATED SURGE. CLEANED CONNECTORS TO SCV & FLOW SENSE MODULE. REVERSE FLOW DISPLAYED ON ECU, REPLACED INLET TEMP SENSOR IAW MM AND PT TRANSDUCER. OPS TESTED NORMAL.
- Difficulty date
- February 4, 2011
- Submitted
- February 4, 2011
- Operation
- Air carrier
- Aircraft
- N641UA
- Make and model
- Boeing 767322
- Aircraft serial
- 25091
- Aircraft time
- 84,901 hours, 13,618 cycles
- Engine
- Pwa PW4060
- System (JASC)
- 4920 · APU Core Engine
- Part
- Sensor
- Condition
- Faulted
- Location
- Apu
- Stage of operation
- TX
- How discovered
- O
- Nature of condition
- O
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.