What was found
APU BITE TEST SHOWS MAINT MSG 49-11019: DC POWER LOSS SHUTDOWN POWER INTERRUPT. GROUNDED - YES. PERFORMED FIM 49-10 TASK 801 FOUND FAULT TO BE INTERMITTENT. APU START AND OPERATIONS CHECK NORMAL REF AMM 49-11-00.
- Difficulty date
- June 26, 2019
- Submitted
- July 5, 2019
- Operation
- Air carrier
- Aircraft
- N529AS
- Make and model
- Boeing 737890
- Aircraft serial
- 35198
- Aircraft time
- 35,747 hours, 10,677 cycles
- System (JASC)
- 4960 · APU Controls
- Part
- Unknown
- Condition
- Malfunctioned
- Location
- Apu
- Stage of operation
- IN
- How discovered
- O
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.