- Difficulty date
- October 5, 2023
- Submitted
- October 9, 2023
- Operation
- Air carrier
- Make and model
- Boeing 737990ER
- Aircraft serial
- 36362
- Aircraft time
- 34,962 hours, 11,012 cycles
- Part
- Unknown
- Part number
- UNKNOWN
- Condition
- Unknown
- Location
- Unknown
- Stage of operation
- NR
- How discovered
- V
- Nature of condition
- J
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
#1 ENGINE COWL ANTI-ICE VALVE FAILED CLOSED. " COWL VALVE OPEN" LIGHT STAYS BRIGHT BLUE WITH SWITCH POSITION ON. GROUNDED - YES. PERFORMED RESET + OPERATIONAL GROUND VERIFICATION OF #1 ENG. ANTIICE VALVE IAW BOEING 737NG AMM 71-00-00-700-801-F00. GROUND VERIFICATION SUCESSFUL. SEAMC SCOTT NOTIFIED.