# SDR HALA2017050300110

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 3, 2017
- Submitted: May 4, 2017
- Operation: Air carrier
- Aircraft: [N581HA](https://openairdocs.org/aircraft/N581HA), registered now
- Make and model: Boeing 767-33A
- Registry model: [Boeing 767-33A](https://openairdocs.org/model/boeing-767-33a) (OpenAirDocs)
- Aircraft serial: 28141
- Aircraft time: 57,015 hours, 10,425 cycles
- System (JASC): [2912 · Hydraulic Filter, Main](https://openairdocs.org/jasc/2912)
- Part: O-Ring
- Condition: Damaged
- Location: Hydraulic Sys
- Stage of operation: IN
- How discovered: O
- Nature of condition: K
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/HALA2017050300110

## Discrepancy

FOUND HYDRAULIC FLUID LEAKING FROM LEFT ENGINE PYLON COMMON DRAIN. FOUND HYDRAULIC LEAK ON LEFT ENGINE RETURN FILTER MODULE DPI. REMOVED DPI AND REPLACED DAMAGED O-RINGS PER AMM 29-11-15 LEAK CKS GOOD. SERVICED HYDRAULIC FLUID LEVELS TO FULL PER AMM 12-12-01.

---
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.
