What was found
INTERMITENT EICAS APU BLEED VALVE. TROUBLESHOT IAW WDM 36-11-41 AND SUSPECT THE RELAY K3 APU AIR SUPPLY VALVE. CONTROL RELAY REMOVED AND REPLACED AND PERFORMED OPS CHECK IAW 49-11-00 AND APU AIR ELECTRIC OK FOR CONTINUED SERVICE.
- Difficulty date
- April 16, 2017
- Submitted
- April 20, 2017
- Operation
- Air carrier
- Aircraft
- N640GT
- Make and model
- Boeing 7673S1
- Aircraft serial
- 25221
- Aircraft time
- 82,870 hours, 17,564 cycles
- System (JASC)
- 4950 · APU Bleed Air System
- Part
- Relay
- Part number
- BACR13CG2AB
- Condition
- Malfunctioned
- Location
- Apu Bleed Valve
- Stage of operation
- CR
- 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.