# SDR ASAA2017111922649

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 19, 2017
- Submitted: November 22, 2017
- Operation: Air carrier
- Aircraft: [N428AS](https://openairdocs.org/aircraft/N428AS), registered now
- Make and model: Boeing 737990ER
- Aircraft serial: 36353
- Aircraft time: 6,879 hours, 2,292 cycles
- Engine: Cfmint CFM567B27E
- System (JASC): [7320 · Fuel Controlling System](https://openairdocs.org/jasc/7320)
- Part: Hmu
- Condition: Malfunctioned
- Location: Nr 2 Engine
- Stage of operation: TX
- How discovered: O
- Nature of condition: J
- Precautionary procedure: D
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2017111922649

## Discrepancy

AFTER THE NR 2 ENGINE START,  CONTROL LIGHT CAME ON.  ACFT GROUNDED.   REMOVED AND REPLACED THE WIRE HARNESS IAW AMM 73-21-06-00-801-F00,  AND 73-21-06-400-801-F00 3. A-F [1][A] [B]. REMOVED HMU IAW T/C N8473000.  INSTALLED SERVICEABLE HMU, OPS AND LEAK CHECKED GOOD.

---
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.
