# SDR ASAA2023101145592

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 11, 2023
- Submitted: October 13, 2023
- Operation: Air carrier
- Aircraft: [N469AS](https://openairdocs.org/aircraft/N469AS), registered now
- Make and model: Boeing 737990ER
- Aircraft serial: 41702
- Aircraft time: 34,686 hours, 10,985 cycles
- System (JASC): [7200 · Engine (Turbine/Turboprop)](https://openairdocs.org/jasc/7200)
- Part: Bushing
- Condition: Missing
- Location: Lt Vsv
- Part time: 34,686 hours, 10,985 cycles
- Stage of operation: NR
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2023101145592

## Discrepancy

WHILE ACCOMPLISHING TASK CARD SBCFM56-7B-72-09861 #1 ENGINE ESN # 660-233, NOTED APPROX (5) STG. 1 VSV MISSING ACTUATION RING FLANGE BUSHING BETWEEN THE 12 O'CLOCK AND 3 O'CLOCK POSITION. GROUNDED - YES. REMOVED #1 ENGINE ESN # 660-233. DEFECT TRANSFERRED TO EBU SHOP W/O # 1973222. ENGINE REMOVED ON W/O # 1970832.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.