What was found
RIGHT PNEUMATIC PRESS FLUCTUATES FROM 10 TO 30 PSI WHEN POWER REDUCED FOR DESCENT. REPLACED FAULTY NR 2 ENG FAN AIR MODULATING VALVE. OP CHECK AND LEAK CHECK GOOD. BITE CHECK OF AIR SUPPLY MODULE CHECK GOOD.
- Difficulty date
- March 1, 2010
- Submitted
- March 8, 2010
- Operation
- Air carrier
- Aircraft
- N671UA
- Make and model
- Boeing 767322
- Aircraft serial
- 30026
- Aircraft time
- 38,135 hours, 10,086 cycles
- Engine
- Pwa PW4056
- System (JASC)
- 7532 · Compressor Bleed Valve
- Part
- Bleed Valve
- Part number
- S210T120115
- Part serial
- 31
- Condition
- Fluctuates
- Location
- Rt Engine
- Stage of operation
- DE
- How discovered
- O
- Nature of condition
- O
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.