- Difficulty date
- November 16, 2022
- Submitted
- November 28, 2022
- Operation
- Air carrier
- Make and model
- Boeing 7379
- Aircraft serial
- 43389
- Aircraft time
- 2,574 hours, 749 cycles
- Engine
- Cfmint LEAP1B28
- Part
- Valve
- Part number
- 2460M52P08
- Part serial
- WCPBE554
- Condition
- Faulted
- Location
- Nr 1 Cooling
- Part time
- 2,668 hours, 777 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.
What was found
REF T/C 05-020-01 FOUND SMT ENG 1 EEC C1 FAULT LOGGED. CORRELATED MSG CODE 73-42771 & 73-42772. GROUNDED - YES. REMOVED AND REPLACED MODULATED TURBINE COOLING VALVE PER B737-9 AMM 75-23-02. OPS CHECK GOOD. ALL FAULT MESSAGES CLEARED NO CURRENT ACTIVE FAULTS.