What was found
APU FAULT LT ILLUMINATED ON 1ST ATTEMPT AT 340 APU FAULT LT ILLUMINATED ON 2ND ATTEMPT AT 360 3RD ATTEMP AT 340 - PASSED. GROUNDED - YES. APU BITE SHOWS MAINT MSG 49-41010 IN HISTORY, APU OPS CHECK GOOD ON GROUND.
- Difficulty date
- February 16, 2020
- Submitted
- February 19, 2020
- Operation
- Air carrier
- Aircraft
- N402AS
- Make and model
- Boeing 737990ER
- Aircraft serial
- 41189
- Aircraft time
- 28,637 hours, 9,272 cycles
- System (JASC)
- 4970 · APU Indicating System
- Part
- Fault Light
- Condition
- False Activation
- Location
- Apu
- Stage of operation
- CR
- 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.