What was found
ETOPS SIGNIFICANT SYSTEM, APU AUTO SHUT DOWN, INTERROGATED ECU FOUND REVERSE FLOW FAULT. PER FIM 49-11-00 APU CHECK VALVE BAD , REPLACED APU CHECK VALVE PER M/M 36-11-11.
- Difficulty date
- August 22, 2006
- Submitted
- August 23, 2006
- Operation
- Air carrier
- Aircraft
- N586HA
- Make and model
- Boeing 767300
- Aircraft serial
- 24259
- Aircraft time
- 77,842 hours, 14,748 cycles
- System (JASC)
- 4900 · Airborne Auxiliary Power Unit (APU) System
- Part
- Check Valve
- Part number
- 3230303
- Part serial
- 769
- Condition
- Malfunctioned
- Location
- Apu
- Stage of operation
- IN
- How discovered
- C
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.