What was found
APU INOP. VERIFIED APU INOP WITH APU ECU INTERFACE MESSAGE DURING APU BITE. REMOVED AND REPLACED APU ECU PER MM 49 61 12. OPS NORMAL REF SAME. VERIFIED P/N & SOFTWARE NUMBER PER SEAMC. GROUND VERIFICATION CHECKS GOOD. SEAMC NOTIFIED.
- Difficulty date
- September 9, 2009
- Submitted
- September 14, 2009
- Operation
- Air carrier
- Aircraft
- N564AS
- Make and model
- Boeing 737890
- Aircraft serial
- 35103
- Aircraft time
- 11,362 hours, 3,612 cycles
- System (JASC)
- 4960 · APU Controls
- Part
- Ecu
- Part number
- 2118966222
- Part serial
- 106F1881
- Condition
- Malfunctioned
- Location
- Apu
- Part time
- 11,362 hours, 3,612 cycles
- Stage of operation
- TX
- How discovered
- O
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.