What was found
WHILE PERFORMING LEAK CHECK ON NR 2 PRE COOLER VALVE FOUND PRSOV TO BE LEAKING. GROUNDED - YES. REMOVED AND REPLACED NR 2 PRSOV REF AMM 36-11-04. LEAK AND OPS CHECK GOOD.
- Difficulty date
- September 23, 2018
- Submitted
- September 24, 2018
- Operation
- Air carrier
- Aircraft
- N402AS
- Make and model
- Boeing 737990ER
- Aircraft serial
- 41189
- Aircraft time
- 23,366 hours, 7,700 cycles
- System (JASC)
- 3610 · Pneumatic Distribution System
- Part
- Shutoff Valve
- Part number
- 32145526
- Part serial
- 13536
- Condition
- Leaking
- Location
- Bleed Air Sys
- Part time
- 9,990 hours, 3,364 cycles
- Stage of operation
- IN
- 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.