What was found
APU AUTO SHUTDOWN WITH A REVERSE FLOW MESSAGE. REMOVED AND REPLACED THE APU SURGE CONTROL VALVE IAW AMM 49-53-01, OPS CHECKED NORMAL.
- Difficulty date
- May 27, 2018
- Submitted
- June 1, 2018
- Operation
- Air carrier
- Aircraft
- N645GT
- Make and model
- Boeing 767324
- Aircraft serial
- 27393
- Aircraft time
- 93,852 hours, 17,949 cycles
- System (JASC)
- 4940 · APU Start/Ignition System
- Part
- Control Valve
- Part number
- 97980612
- Part serial
- 1071C
- Condition
- Malfunctioned
- Location
- Apu
- Stage of operation
- NR
- How discovered
- O
- Nature of condition
- J
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.