# SDR ASAA2019010827728

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 8, 2019
- Submitted: January 11, 2019
- Operation: Air carrier
- Aircraft: [N518AS](https://openairdocs.org/aircraft/N518AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35693
- Aircraft time: 38,222 hours, 11,364 cycles
- Engine: Cfmint CFM567B27
- System (JASC): [7321 · Fuel Control/Turbine Engines](https://openairdocs.org/jasc/7321)
- Part: Hmu
- Part number: 442653
- Part serial: BECW3212
- Condition: Failed
- Location: Nr 2 Engine
- Part time: 53,759 hours, 18,902 cycles
- Stage of operation: IN
- How discovered: O
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2019010827728

## Discrepancy

NR 2 ENGINE DID NOT IMMEDIATELY SHUT DOWN WHEN IN CUTOFF, NR 2 ENGINE FUEL VALVE REMAINED BRIGHT. GROUNDED - YES. REMOVED AND REPLACED HMU (NR 2 ENGINE), LEAK AND OPS CHECK GOOD. ENG START/STOPS NORMALLY.

---
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.