What was found
AIR DRIVEN PUMP IS BYPASSING AIR WHEN ADP IS TURNED OFF. REPLACED ADP PRSOV IAW AMM 29-11-30, OPS CHECKS GOOD. THIS IS AN ETOPS SIGNIFICANT SYS.
- Difficulty date
- October 16, 2012
- Submitted
- October 17, 2012
- Operation
- Air carrier
- Aircraft
- N642GT
- Make and model
- Boeing 7673Y0
- Aircraft serial
- 26207
- Aircraft time
- 70,437 hours, 17,854 cycles
- System (JASC)
- 2910 · Hydraulic System, Main
- Part
- Shutoff Valve
- Part number
- 32143343
- Part serial
- 941
- Condition
- Malfunctioned
- Location
- Hyd System
- Stage of operation
- TX
- 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.