What was found
DUCT PSI FROM ENGINES SPLIT DURING TAKE OFF OR CLIMB, WITH LT & RT ISOLATION VALVES CLOSED & BLEED SWITCHES ON LT & RT DUCT PRESSURE. LT 22 PSID, RT 42 PSID. REPLACED PRSOV. OPS NORMAL.
- Difficulty date
- August 17, 2010
- Submitted
- September 3, 2010
- Operation
- Air carrier
- Aircraft
- N673UA
- Make and model
- Boeing 767322
- Aircraft serial
- 29241
- Aircraft time
- 38,692 hours, 10,220 cycles
- Engine
- Pwa PW4052
- System (JASC)
- 3610 · Pneumatic Distribution System
- Part
- Shutoff Valve
- Part number
- 7732887810
- Part serial
- 114
- Condition
- Faulty
- Location
- Position Lt
- Stage of operation
- IN
- How discovered
- 9
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.