- Difficulty date
- January 6, 2023
- Submitted
- January 9, 2023
- Operation
- Air carrier
- Make and model
- Boeing 737990ER
- Aircraft serial
- 41189
- Aircraft time
- 37,604 hours, 11,994 cycles
- Engine
- Cfmint CFM567B27E
- Engine time
- 37,606 hours, 11,995 cycles
- Part
- Bushing
- Condition
- Worn
- Location
- Nr 1 Vsv
- Part time
- 37,606 hours, 11,995 cycles
- Stage of operation
- IN
- How discovered
- B
- 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
WHILE ACCOMP ASA T/C # SBCFM56-7B-72-0986-1 ESN # 963291 #1 POSITION FOUND MAJORITY OF 3RD STG VSV DRIVE RING BUSHING WORN OUT / MISSING. GROUNDED - YES. REMOVED #1 ENGINE S/N # 963291, REPLACED WITH S/N # 890730 REF. ASA T/C # 78471000 W/O # 1933619. DEFECT TRANSFERRED TO ASA SHOP W/O # 1937932.