What was found
APU WOULD NOT START ON 3 ATTEMPTS. GOES TO 30% BUT WILL NOT ADVANCE WITH APU FAULT LIGHT ILLUMINATED. DEFERRED PER MEL 49-11-01A. REMOVED AND REPLACED IGV ACTUATOR IAW 767 AMM 49-52-02 OPS AND LEAK CHECK GOOD.
- Difficulty date
- May 27, 2025
- Submitted
- June 3, 2025
- Operation
- Air carrier
- Aircraft
- N566NC
- Make and model
- Boeing 7673BG
- Aircraft serial
- 30566
- Aircraft time
- 78,122 hours, 20,198 cycles
- System (JASC)
- 4920 · APU Core Engine
- Part
- Actuator
- Part number
- 38861673
- Part serial
- 1091
- Condition
- Failed
- Location
- Apu
- Part time
- 2 hours, 2 cycles
- Stage of operation
- IN
- How discovered
- V
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.