What was found
ETOPS SIGNIFICANT SYSTEM: ON TS NR 2 ENGINE COWL ANTI-ICE VALVE, FOUND PRSOV "NOT" MOVING SMOOTHLY TO THE OPEN AND CLOSED POSITION. REMOVED AND REPLACED PRSOV VALVE ON NR 2 ENGINE AND OPS LEAK CHECK OK IAW AMM 36-11-04.
- Difficulty date
- February 1, 2012
- Submitted
- February 3, 2012
- Operation
- Air carrier
- Aircraft
- N742MA
- Make and model
- Boeing 7378Q8
- Aircraft serial
- 30675
- Aircraft time
- 27,754 hours, 11,413 cycles
- System (JASC)
- 3610 · Pneumatic Distribution System
- Part
- Shutoff Valve
- Condition
- Faulty
- Location
- Bleed Air Sys
- Stage of operation
- IN
- How discovered
- O
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.