What was found
WHILE ACCOMPLISHING A FUNCTIONAL CHECK OF PRECOOLER CONTROL VALVE, FOUND PRSOV WITH BLOWN DIAPHRAGM, REQUIRED CHANGE, NR 1 ENG PRSOV. ACFT GROUNDED. NR 1 ENGINE PSROV R & R REF AMM 36-11-04. OP CHECK GOOD.
- Difficulty date
- June 27, 2015
- Submitted
- June 30, 2015
- Operation
- Air carrier
- Aircraft
- N532AS
- Make and model
- Boeing 737890
- Aircraft serial
- 36346
- Aircraft time
- 19,795 hours, 5,961 cycles
- System (JASC)
- 3610 · Pneumatic Distribution System
- Part
- Diaphragm
- Part number
- 32145526
- Part serial
- 12439
- Condition
- Failed
- Location
- Shutoff Valve
- Part time
- 19,792 hours, 5,960 cycles
- Stage of operation
- IN
- How discovered
- V
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.