# SDR SWAA2019052232910

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 21, 2019
- Submitted: May 22, 2019
- Operation: Air carrier
- Aircraft: [N7879A](https://openairdocs.org/aircraft/N7879A), registered now
- Make and model: Boeing 737-7K9
- Registry model: [Boeing 737-7K9](https://openairdocs.org/model/boeing-737-7k9) (OpenAirDocs)
- Aircraft serial: 34321
- Aircraft time: 42,315 hours, 20,192 cycles
- System (JASC): [2912 · Hydraulic Filter, Main](https://openairdocs.org/jasc/2912)
- Part: Filter
- Part number: 65C268505
- Condition: Leaking
- Location: Nr 2 Engine
- Stage of operation: IN
- How discovered: O
- Nature of condition: K, J
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SWAA2019052232910

## Discrepancy

DECLARED EMERGENCY, GOT ENGINE DRIVEN B SIDE HYDRAULIC PRESSURE LIGHT. THEN SHOWED "0" QUANTITY BUT WAS STILL PRESSURIZED TO 2930 PSI. AFTER SOMETIME GOT ELECTRIC PUMP LIGHT AND "0" PRESSURE FOR A TOTAL B SIDE HYDRAULIC FAILURE. R&R "B" ELECTRIC MOTOR DRIVEN PUMP ACOUSTIC FILTER IAW AMM.

---
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.