What was found
ETOPS SIGNIFICANT SYSTEM, APU WILL NOT START. BITE ON APU ECU FAULTS NO LIGHT OFF. T/S PER FIM 49-11-00 FIG 107. REPLACED IGNITER PLUG, LEAD AND EXCITER BOX. APU STARTS NORMAL AND BITE CHECKS NORMAL. OK FOR SERVICE.
- Difficulty date
- November 28, 2007
- Submitted
- November 29, 2007
- Operation
- Air carrier
- Aircraft
- N590HA
- Make and model
- Boeing 7673CB
- Aircraft serial
- 33467
- Aircraft time
- 19,248 hours, 3,681 cycles
- System (JASC)
- 4940 · APU Start/Ignition System
- Part
- Exciter
- Part number
- 106170756
- Part serial
- 010218022611
- Condition
- Malfunctioned
- Location
- Apu
- Part time
- 251 hours, 48 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.