What was found
ENG NR 1 PRE COOLER CONTROL VALVE KISS SEAL WORN. GROUNDED-YES. REMOVED NR 1 ENG PRE COOLER CONTROL VALVE KISS SEAL, REF B737-900 MM 36-12-02. INSTALLED NEW KISS SEAL ON PRE COOLER CONTROL VALVE, REF MM 36-12-02.
- Difficulty date
- October 1, 2020
- Submitted
- October 3, 2020
- Operation
- Air carrier
- Aircraft
- N462AS
- Make and model
- Boeing 737990ER
- Aircraft serial
- 36362
- Aircraft time
- 24,182 hours, 7,814 cycles
- System (JASC)
- 3610 · Pneumatic Distribution System
- Part
- Seal
- Condition
- Worn
- Location
- Precooler
- 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.