What was found
"BLUE" MAINTENANCE LIGHT ILLUMINATED, ON APU PANEL. ACFT GROUNDED. PERFORMED FIM TASK 49-90, TASK 804. OPS CHECKED NORMAL, LOW OIL QTY-FAULT ISOLATION. APU OIL LEVEL FULL. NO MAINTENANCE MESSAGE AT CURRENT STATUS CDU.
- Difficulty date
- February 16, 2014
- Submitted
- February 19, 2014
- Operation
- Air carrier
- Aircraft
- N431AS
- Make and model
- Boeing 737990ER
- Aircraft serial
- 43255
- Aircraft time
- 1,310 hours, 445 cycles
- System (JASC)
- 4990 · APU Oil System
- Part
- Warning Message
- Condition
- False Activation
- Location
- Apu
- Stage of operation
- NR
- 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.