What was found
APU FAULT 3 START ATTEMPTS ON GROUND, RPM STAGNATES AROUND 27-28. PERFORMED APU BITE PROCEDURE PER AMM 49-61-05. NO FAULTS. PERFORMED 3 SUCCESSFUL APU STARTS ON GROUND. APU OPS NORMAL IAW AMM 49-11-00.
- Difficulty date
- June 29, 2020
- Submitted
- July 1, 2020
- Operation
- Air carrier
- Aircraft
- N1373A
- Make and model
- Boeing 76731K
- Aircraft serial
- 27205
- Aircraft time
- 101,993 hours, 21,474 cycles
- System (JASC)
- 4940 · APU Start/Ignition System
- Part
- Unknown
- Condition
- Malfunctioned
- Location
- Apu
- Stage of operation
- TO
- 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.