# SDR UIEA2023111100938

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 11, 2023
- Submitted: November 13, 2023
- Operation: Air carrier
- Aircraft: [N508KZ](https://openairdocs.org/aircraft/N508KZ), registered now
- Make and model: Boeing 747-4KZF
- Registry model: [Boeing 747-4KZF](https://openairdocs.org/model/boeing-747-4kzf) (OpenAirDocs)
- Aircraft serial: 36135
- Aircraft time: 50,431 hours, 9,296 cycles
- System (JASC): [7500 · Engine Bleed Air System](https://openairdocs.org/jasc/7500)
- Part: Actuator
- Part number: UNKNOWN
- Part serial: NSN
- Condition: Unknown
- Location: Vsv
- Stage of operation: LD
- How discovered: O
- Nature of condition: X
- Precautionary procedure: E
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UIEA2023111100938

## Discrepancy

ENG 2 ROLL BACK AFTER LANDING(<P>REMOVED AND REPLACED RH AND LH VSV ACTUATOR REF AMM 75-31-02. OPS CHK GOOD.</P>)

---
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.