What was found
LEFT PNEUMATIC DUCT PRESSURE FLUCTUATES BETWEEN 15-50 PSI RAPIDLY DURING CLIMB OUT. REMOVED AND REPLACED THE LT ENGINE PRSOV IAW AMM 36-11-09. OPS & LEAK CHECKED OK.
- Difficulty date
- June 14, 2017
- Submitted
- June 15, 2017
- Operation
- Air carrier
- Aircraft
- N1321A
- Make and model
- Boeing 767306
- Aircraft serial
- 27957
- Aircraft time
- 80,679 hours, 18,444 cycles
- System (JASC)
- 3610 · Pneumatic Distribution System
- Part
- Shutoff Valve
- Part number
- 7998014
- Part serial
- 900526
- Condition
- Malfunctioned
- Location
- Pneumatic
- Stage of operation
- CL
- How discovered
- O
- Nature of condition
- J
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.