# SDR FDEA202112283156

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 28, 2021
- Submitted: December 30, 2021
- Operation: Air carrier
- Aircraft: [N521FE](https://openairdocs.org/aircraft/N521FE), registered now
- Make and model: Doug MD-11F
- Registry model: [Doug MD-11F](https://openairdocs.org/model/mcdonnell-douglas-md-11f) (OpenAirDocs)
- Aircraft serial: 48478
- Aircraft time: 84,549 hours, 15,896 cycles
- System (JASC): [2910 · Hydraulic System, Main](https://openairdocs.org/jasc/2910)
- Part: Line
- Part number: AJK550636
- Condition: Leaking
- Location: Hyd System
- Stage of operation: CR
- How discovered: O
- Nature of condition: K, J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/FDEA202112283156

## Discrepancy

LEVE 1 ALERT HYD 2 OFF. QUANTITY AT 5.4 THEN DROPPED TO 3.2 THEN JUMPED TO 10.0. WHEN   FLAPS AND GEAR WERE EXTENDED FOR LANDING, QUANTITY DROPPED TO ZERO WITH LEVEL 2   ALERT HYD 2 FAIL. AT SHUT DOWN, QUANTITY WAS 1.6       FOUND LEAK ON #2 HYD PRESSURE LINE THROUGH ACCESS PNL 364QR,LINE HAD A BROKEN   CLAMP

---
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.