What was found
NR 1 START ON APU NO LIGHT OFF WITH FAULT LIGHT ILLUMINATED. NR 2 START ON APU NO LIGHT OFF LOW OIL PRESS LIGHT ONLY ILLUMINATED. REPLACED APU IGNITER BOX. PER MM 49 41 31 000 AND 49 41 31 400. OPS CHECK GOOD.
- Difficulty date
- April 10, 2011
- Submitted
- April 13, 2011
- Operation
- Air carrier
- Aircraft
- N586AS
- Make and model
- Boeing 737890
- Aircraft serial
- 35189
- Aircraft time
- 13,203 hours, 4,291 cycles
- System (JASC)
- 4940 · APU Start/Ignition System
- Part
- Exciter
- Part number
- 38880585
- Part serial
- 076971101863
- Condition
- Faulty
- Location
- Apu
- Part time
- 3,657 hours, 4,373 cycles
- Stage of operation
- TX
- How discovered
- O
- Nature of condition
- J
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.