What was found
APU ECU FAILED TO ACCEPT SOFTWARE UPDATE GROUNDED. REPLACED APU ECU. OPS CK GOOD.
- Difficulty date
- September 2, 2012
- Submitted
- September 5, 2012
- Operation
- Air carrier
- Aircraft
- N508AS
- Make and model
- Boeing 737890
- Aircraft serial
- 35691
- Aircraft time
- 15,766 hours, 5,009 cycles
- Engine
- Cfmint CFM567B27
- System (JASC)
- 4960 · APU Controls
- Part
- Ecu
- Part number
- 2118966222
- Part serial
- 86F1808
- Condition
- Failed
- Location
- Apu
- Part time
- 22,697 hours, 6,892 cycles
- Stage of operation
- IN
- 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.