# SDR ASAA2017090421839

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 4, 2017
- Submitted: September 8, 2017
- Operation: Air carrier
- Aircraft: [N408AS](https://openairdocs.org/aircraft/N408AS), registered now
- Make and model: Boeing 737990ER
- Aircraft serial: 41732
- Aircraft time: 18,981 hours, 6,157 cycles
- Engine: Cfmint CFM567B27
- System (JASC): [7320 · Fuel Controlling System](https://openairdocs.org/jasc/7320)
- Part: Eec
- Part number: 2042M67P02
- Part serial: FFFB1353
- Condition: Faulted
- Location: Nr 1 Engine
- Part time: 32,014 hours, 10,183 cycles
- Stage of operation: IN
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2017090421839

## Discrepancy

DURING ACCOMPLISHEMENT OF T/C 78273000, NEW SHORT TIME FAULT 78-31511 DISPLAYED FOR THE RT THRUST REVERSER SLEEVE POSITION SIGNAL IS OUT OF RANGE IN THE NR 1 ENGINE.  ACFT GROUNDED. EEC REMOVED AND REPLACED IAW AMM 73-21-60.

---
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.