What was found
RT DUCT PRESS OSCILLATING BETWEEN 38-65 PSI. NO TIME TO TROUBLESHOOT PROBLEM, HAS HISTORY INOP PRSOV CLOSED. REPLACED HPSOV AND CONTROLLER.
- Difficulty date
- April 8, 2010
- Submitted
- April 9, 2010
- Operation
- Air carrier
- Aircraft
- N215UA
- Make and model
- Boeing 777222
- Aircraft serial
- 30221
- Aircraft time
- 35,042 hours, 7,666 cycles
- Engine
- Pwa PW4077
- System (JASC)
- 3610 · Pneumatic Distribution System
- Part
- Shutoff Valve
- Part number
- 32153024
- Part serial
- 2059
- Condition
- Faulty
- Location
- Bleed Air Sys
- Stage of operation
- CL
- 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.