What was found
NR 1 COWL VALVE OPEN LIGHT ILLUMINATES INTERMITTENTLY WITH ENGINE ANTI-ICE SWITCH OFF. ACFT GROUNDED. REPLACED NR 1 ENG COWL TAI VALVE REF MM 30-21-11. LEAK CHECK AND OP CHECK GOOD, OK FOR SERVICE.
- Difficulty date
- May 5, 2013
- Submitted
- May 7, 2013
- Operation
- Air carrier
- Aircraft
- N589AS
- Make and model
- Boeing 737890
- Aircraft serial
- 35686
- Aircraft time
- 20,806 hours, 6,479 cycles
- System (JASC)
- 3020 · Air Intake Anti/De-Ice System
- Part
- Valve
- Part number
- 32156184
- Part serial
- 4616
- Condition
- Intermittent
- Location
- Nr 1 Engine
- Part time
- 22,902 hours, 7,192 cycles
- Stage of operation
- NR
- 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.