What was found
LOW DUCT PRESSURE (10 PSI) AFTER ENGINE SHUTDOWN AND ISOLATION VALVES ON WITH APU ON. PERFORMED FIM 49-11, FT 977 FOUND APU NORMAL, ALSO PERFORMED APU QUICK HEALTH CHECK AS PER CARD B767-40, FOUND PRESSURES NORMAL.
- Difficulty date
- October 16, 2023
- Submitted
- October 21, 2023
- Operation
- Air carrier
- Aircraft
- N379CX
- Make and model
- Boeing 767323
- Aircraft serial
- 25199
- Aircraft time
- 109,896 hours, 20,115 cycles
- System (JASC)
- 4900 · Airborne Auxiliary Power Unit (APU) System
- Part
- Unknown
- Part number
- UNKNOWN
- Condition
- Unknown
- Location
- Unknown
- Stage of operation
- NR
- 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.