What was found
VIBRATION IN APU DUCT WITH APU BLEED VALVE OPEN (AT DOOR 3L). REPLACED 1 ADP SHUTOFF VALVE PER MM & RE-INSTALLED BOTH SERVO HEATER PROBES. OPS CHECK OKAY, NO VIBRATION NOTED.
- Difficulty date
- April 8, 2011
- Submitted
- May 5, 2011
- Operation
- Air carrier
- Aircraft
- N210UA
- Make and model
- Boeing 777222
- Aircraft serial
- 30216
- Aircraft time
- 40,046 hours, 8,802 cycles
- Engine
- Pwa PW4077
- System (JASC)
- 2910 · Hydraulic System, Main
- Part
- Shutoff Valve
- Part number
- 32153947
- Condition
- Vibration
- Location
- Hydraulic Sys
- Stage of operation
- NR
- How discovered
- O
- Nature of condition
- E
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.