What was found
PRECOOLER VALVE FAILED OPS CHECK, DURING NR 2 ENG HEALTH CHECK (BLEED SYS). REMOVED & REPLACED NR 2 ENGINE PRE-COOLER VALVE AS PER AMM 36-12-02, OPS CHECKED OK. NO LEAKS NOTED AT THIS TIME.
- Difficulty date
- April 5, 2012
- Submitted
- April 10, 2012
- Operation
- Air carrier
- Aircraft
- N734MA
- Make and model
- Boeing 7378Q8
- Aircraft serial
- 30039
- Aircraft time
- 29,994 hours, 10,895 cycles
- System (JASC)
- 3610 · Pneumatic Distribution System
- Part
- Valve
- Condition
- Failed
- Location
- Precooler
- Stage of operation
- IN
- How discovered
- C
- Nature of condition
- L
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.