What was found
WHILE ACCOMPLISHING TASK CARD, NG 49, EO 03483, APU ECU BITE PROCEDURE FAILED AFTER SOFTWARE UPDATE. ACFT GROUNDED. REPLACED APU ECU. OPS CHECKED GOOD. REF AMM 49-61-12.
- Difficulty date
- April 30, 2012
- Submitted
- May 2, 2012
- Operation
- Air carrier
- Aircraft
- N514AS
- Make and model
- Boeing 737890
- Aircraft serial
- 35193
- Aircraft time
- 13,558 hours, 4,314 cycles
- Engine
- Cfmint CFM567B273
- System (JASC)
- 4960 · APU Controls
- Part
- Ecu
- Part number
- 2118966222
- Part serial
- 68G0239
- Condition
- Failed
- Location
- Apu
- Part time
- 13,558 hours, 4,314 cycles
- Stage of operation
- IN
- How discovered
- C
- Nature of condition
- L
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.