- Difficulty date
- February 12, 2009
- Submitted
- February 18, 2009
- Operation
- Air carrier
- Make and model
- Doug MD11F
- Aircraft serial
- 48473
- Aircraft time
- 54,928 hours, 7,523 cycles
- Part
- Shutoff Valve
- Part number
- AMB72901
- Part serial
- UP38764
- Condition
- Stuck
- Location
- E&E Bay
- Stage of operation
- IN
- How discovered
- O
- Nature of condition
- J
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
INSPECTION TYPE:1C AIR TURNBACK. LEVEL 2 "AVIONICS AIRFLOW OFF" ALERT. TROUBLESHOT SYSTEM FOUND AVIONICS VENTURIE SHUTOFF VALVE TO BE FAULTY. REMOVED AND REPLACED AVIONICS VENTURIE SHUTOFF VALVE IAW MD-11 AMM 21-26-08-2. OPS CHECK GOOD IAW MD-11 AMM 21-26-08 AND AMM 21-31-00.