- Difficulty date
- July 20, 2021
- Submitted
- July 23, 2021
- Operation
- Air carrier
- Make and model
- Boeing 737990ER
- Aircraft serial
- 41732
- Aircraft time
- 31,699 hours, 10,129 cycles
- Engine
- Cfmint CFM567B27E
- Part
- Bushing
- Condition
- Worn
- Location
- Vsv Actuator
- Part time
- 2,652 hours, 798 cycles
- Stage of operation
- IN
- How discovered
- O
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
REFERENCE TASK CARD 78273000: #1 ENGINE HAS SHORT TIME FAULT 75-30401 "THE VSV POSITION SIGNALS DISAGREE". GROUNDED - YES. REMOVED #1 ENGINE RH VSV ACTUATOR REF B737-900 AMM 75-31-01. FOUND VSV BELLCRANK LINKAGE BUSHINGS WORN. REPLACED #1 ENG RH VSV ACTUATOR REF AMM 75-31-01. OP CHECK GOOD. NO LEAKS FOUND.