What was found
UNUSUAL AIR SURGE SOUND DURING TAXI IN LEFT ENG IS 23 PSI AND RT ENG IS 34. REMOVED AND REPLACED LEFT ENG PRSOV, ENG RUN VALVE OP CHECKS GOOD.
- Difficulty date
- October 23, 2007
- Submitted
- October 30, 2007
- Operation
- Air carrier
- Aircraft
- N174DN
- Make and model
- Boeing 767332
- Aircraft serial
- 24802
- Aircraft time
- 80,365 hours, 12,091 cycles
- Engine
- Pwa PW4060
- Engine time
- 60,792 hours, 10,603 cycles
- System (JASC)
- 3610 · Pneumatic Distribution System
- Part
- Shutoff Valve
- Part number
- 77328810
- Part serial
- 880111
- Condition
- Malfunctioned
- Location
- Nr 1 Engine
- Stage of operation
- TX
- How discovered
- O
- Nature of condition
- J
- Precautionary procedure
- D
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.