# SDR UIEA2022082900917

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 7, 2022
- Submitted: September 8, 2022
- Operation: Air carrier
- Aircraft: [N499MC](https://openairdocs.org/aircraft/N499MC), registered now
- Make and model: Boeing 747
- Aircraft serial: 29260
- Aircraft time: 15,673 cycles
- System (JASC): [7331 · Fuel Flow Indicating](https://openairdocs.org/jasc/7331)
- Part: None
- Part number: NPN
- Part serial: NSN
- Condition: None
- Stage of operation: UK
- How discovered: 9
- Nature of condition: J
- Precautionary procedure: D
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UIEA2022082900917

## Discrepancy

# 3 ENGINE FUEL VALVE STATUS MSG ACTIVE(<P>R/R HMU FUEL SOV SW. IAW AMM 73-21-23. OPS CK GOOD. DMI 170784 CLOSED.</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.