# SDR HALA20250225070

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 24, 2025
- Submitted: February 26, 2025
- Operation: Air carrier
- Aircraft: [N390HA](https://openairdocs.org/aircraft/N390HA), registered now
- Make and model: Airbus A330-243
- Registry model: [Airbus A330-243](https://openairdocs.org/model/airbus-a330-243) (OpenAirDocs)
- Aircraft serial: 1389
- Aircraft time: 47,650 hours, 7,557 cycles
- Engine: Rroyce RB211TRENT77
- Engine time: 50,056 hours, 7,795 cycles
- System (JASC): [7830 · Engine Thrust Reverser](https://openairdocs.org/jasc/7830)
- Part: Eec
- Condition: Malfunctioned
- Location: Nr 1 Engine
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/HALA20250225070

## Discrepancy

ETOPS - DURING DEACTIVATION OF T/R #1 NO MSG ON ECAM FOR "ENG1 REV INHIBITED". PERFORMED TSM 78-31-00-810-963-A. REPLACED ISOLATION CONTROL UNIT PER AMM 78-31-41. MSG "ENG1 REV INHIBITED" ON ECAM PER MEL 78-30-01 OK. LEACK CHECK GOOD. REPLACED #1 ENG EEC PER AMM 73-21-34 OPS CHECK NORMAL OK TO CONTINUE ENG #1 IDLE RUN OPS CK. GOOD. NO LEAKS NOTED.COWLING SECURED OK FOR SERVICE.

---
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.
