# SDR HALA2019112200498

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 21, 2019
- Submitted: November 22, 2019
- 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: 30,050 hours, 4,689 cycles
- System (JASC): [2820 · Aircraft Fuel Distribution System](https://openairdocs.org/jasc/2820)
- Part: Pressure Switch
- Part number: 4373349001
- Part serial: 08426
- Condition: Malfunctioned
- Location: Fuel Filter
- Stage of operation: NR
- How discovered: 9
- Nature of condition: N
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/HALA2019112200498

## Discrepancy

ENG 2 FUEL FILTER CLOG//PER TSM 73-21-79-810-804-A CONNECTOR 403KS-A IS A STRAIGHT METALLIC BACKSHELL.  CONTINUITY CHECK BETWEEN 4034KS PIN1 1 + 4000KS-JA1 PIN 49, 4034KS PIN 3 + 4000KS-JA1 PIN 48 GOOD.  INSULATION RESISTANCE CHECK BETWEEN 4034KS-A + 4000KS-JA1 GOOD.  NO SHORT TO GROUND.  REMOVED AND REPLACED #2 ENG FUEL FILTER DIFFERENTIAL PRESSURE SWITCH PER AMM 73-34-11.  LEAK CHECK GOOD.  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.
