What was found
MAINTENANCE LIGHT CAME ON WHEN STARTING APU. ACFT GROUNDED. CHECKED OIL LEVEL, OIL WAS FULL RAN BITE CHECK IAW FIM 49-90 TASK 804. THERE ARE NO CURRENT FAULTS, OPS CHECK APU - OPS CHECKS GOOD-NO HISTORY FOR 30 DAYS.
- Difficulty date
- February 4, 2014
- Submitted
- February 7, 2014
- Operation
- Air carrier
- Aircraft
- N590AS
- Make and model
- Boeing 737890
- Aircraft serial
- 35687
- Aircraft time
- 23,188 hours, 7,131 cycles
- System (JASC)
- 4990 · APU Oil System
- 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.