Service difficulty report · Warning Light · Boeing 737990ER
FAA SDR system
- Difficulty date
- October 19, 2015
- Submitted
- October 22, 2015
- Operation
- Air carrier
- Make and model
- Boeing 737990ER
- Aircraft serial
- 40715
- Aircraft time
- 1,150 hours, 375 cycles
- Part
- Warning Light
- Condition
- False Activation
- Location
- Apu
- Stage of operation
- TX
- How discovered
- O
- Nature of condition
- N
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
APU FAULT LIGHT ILLUMINATED DURING APU START ATTEMPT WHILE TAXIING. LIGHT EXTINGUISHED WHEN APU START SWITCH TURNED OFF IAW QRH. ACFT GROUNDED. ACCOMPLISHED FIM 49-40-821 STEP E, FOUND 1 INSTANCE OF 49-41254, 5 STARTS OLD. ACCOMPLISHED 3 APU STARTS, NO FAULTS. ETOPS SIGNIFICANT SYS GROUND VERIFICATION SUCCESSFUL.