- Difficulty date
- March 31, 2023
- Submitted
- April 4, 2023
- Operation
- Air carrier
- Make and model
- Boeing 737990ER
- Aircraft serial
- 44106
- Aircraft time
- 28,400 hours, 8,883 cycles
- Part
- Hmu
- Part number
- 1853M56P16
- Part serial
- BECWD190
- Condition
- Faulted
- Location
- Nr 1 Engine
- Part time
- 28,495 hours, 8,912 cycles
- Stage of operation
- TX
- 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 ENG VALVE CLOSED VALVE LT REMAINS IN BRIGHT WITH ENG SHUT DOWN. GROUNDED - YES. REMOVED AND INSTALLED #1 ENGINE HMU REF. ASA T/C # N8473000 AND T/C # N8473001. P6-3 ENGINE FUEL ENG 1 HPSOV IND CIRCUIT BREAKER RESET. OPS CHECK AND LEAK CHECK GOOD. EEC BITE CHECK GOOD. ENG #1 FUEL CONTROL VALVE INDICATION OPERATES NORMALLY.