What was found
#1 ENGINE RIGHT VSV DRAIN IS LEAKING DURING THE HPTACC VALVE INSTALLATION TEST. GROUNDED - YES. REMOVED AND REPLACED #1 ENGINE. ITEMS CARRY FORWARD ON ASA SHOP W/O 1942683 N/R 00001.
- Difficulty date
- February 11, 2023
- Submitted
- February 15, 2023
- Operation
- Air carrier
- Aircraft
- N409AS
- Make and model
- Boeing 737990ER
- Aircraft serial
- 41733
- Aircraft time
- 36,213 hours, 11,552 cycles
- Engine time
- 54,111 hours, 24,421 cycles
- System (JASC)
- 7530 · Compressor Bleed Control
- Part
- Engine
- Part number
- CFM567B27
- Part serial
- 874470
- Condition
- None
- Location
- Left Wing
- Part time
- 54,111 hours, 24,421 cycles
- Stage of operation
- IN
- How discovered
- V
- Nature of condition
- K
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.