What was found
APU AUTO SHUTDOWN - TWO TIMES WITH APU BLEED SWITCH IN ON POSITION. BITE ECU FOUND REV FLOW MSG. REPLACED APU ECU IAW AMM 49-61-05. TEST OK NO FAULTS NOTED.
- Difficulty date
- September 9, 2014
- Submitted
- September 10, 2014
- Operation
- Air carrier
- Aircraft
- N590HA
- Make and model
- Boeing 7673CB
- Aircraft serial
- 33467
- Aircraft time
- 46,269 hours, 8,285 cycles
- System (JASC)
- 4930 · APU Engine Fuel and Control
- Part
- Ecu
- Part number
- 211734220
- Part serial
- 991199
- Condition
- Malfunctioned
- Location
- Apu
- Part time
- 121 hours, 24 cycles
- Stage of operation
- IN
- How discovered
- 9
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.