What was found
DURING ASA W/O 1918423 FOUND ENGINE #1 MAINT. MESSAGE #75-10391 THE VSV POSITION SIGNAL IS OUT OF RANGE. LONG TIME FAULT DEFERRED PER ASA T/C 78273000. GROUNDED - YES. REMOVED AND REPLACED J9 HARNESS REF. B737-900 AMM 73-21-06/401.
- Difficulty date
- July 29, 2022
- Submitted
- September 6, 2022
- Operation
- Air carrier
- Aircraft
- N408AS
- Make and model
- Boeing 737900ER
- Aircraft serial
- 41732
- Aircraft time
- 35,270 hours, 11,182 cycles
- Engine
- Cfmint CFM567B27E
- System (JASC)
- 7320 · Fuel Controlling System
- Part
- Unknown
- Part number
- 3250434010
- Condition
- None
- Location
- #1 Engine
- 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.