What was found
APU FAULT LIGHT ILLUMINATED ON START ATTEMPT, OBSERVED EGT MAX 770 DEG. TROUBLESHOT IAW FIM 49-11-00-815-001. 103 & MINI FLAG 34 APPEARED & SUMMARY SHOWED LUR MESSAGE. A/C START CIRCUIT. R & R THE APU TRU IAW FIM 49-11-00-815-807-001.
- Difficulty date
- November 9, 2018
- Submitted
- November 12, 2018
- Operation
- Air carrier
- Aircraft
- N336UP
- Make and model
- Boeing 76734AF
- Aircraft serial
- 37857
- Aircraft time
- 23,053 hours, 7,950 cycles
- System (JASC)
- 4900 · Airborne Auxiliary Power Unit (APU) System
- Part
- Tru
- Condition
- Failed
- Location
- Apu
- Stage of operation
- IN
- How discovered
- 9
- Nature of condition
- J
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.