# SDR HALA2021122100197

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 21, 2021
- Submitted: December 21, 2021
- Operation: Air carrier
- Aircraft: [N391HA](https://openairdocs.org/aircraft/N391HA), registered now
- Make and model: Airbus A330-243
- Registry model: [Airbus A330-243](https://openairdocs.org/model/airbus-a330-243) (OpenAirDocs)
- Aircraft serial: 1399
- Aircraft time: 35,379 hours, 5,541 cycles
- System (JASC): [7900 · Engine Oil System (Airframe Furnished)](https://openairdocs.org/jasc/7900)
- Part: Connector
- Condition: Abnormal
- 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/HALA2021122100197

## Discrepancy

ETOPS - ENGINE - DURING FILTER CHANGE PER TASK CARD 7923-6017-01-HAL FOUND #1 PRESSURE FILTER (4041KS) DIFFERENTIAL PRESSURE SWITCH CONNECTOR BACK SHELL LOOSE. // REMOVED & REPLACED BACKSHELL ON CONNECTOR 4041KS PER ROLLS ROYCE CMM 70-00-20-400-800.(357297 M. DEINER 12/21/21) OPS CHECK & LEAK CHECK GOOD. OK FOR SVC.

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