What was found
ON DECENT LT BLEED VLV DUCT PRESS DROPPED MORE THAN 10 PSI & HAD FLUCTUATION OF 5 PSI DIFFERENCE. REPLACED PRSOV IAW 767 AMM 36-11-09, OPERATIONS CHECKED NORMAL.
- Difficulty date
- January 10, 2014
- Submitted
- January 13, 2014
- Operation
- Air carrier
- Aircraft
- N640GT
- Make and model
- Boeing 7673S1
- Aircraft serial
- 25221
- Aircraft time
- 73,479 hours, 15,464 cycles
- System (JASC)
- 3610 · Pneumatic Distribution System
- Part
- Shutoff Valve
- Condition
- Malfunctioned
- Location
- Bleed Air Sys
- Stage of operation
- AP
- 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.