# SDR 2000UALA00521

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 1, 2000
- Submitted: October 4, 2000
- Operation: Air carrier
- Aircraft: N527UA
- Make and model: Boeing 757222
- Aircraft serial: 24995
- Aircraft time: 32,987 hours, 12,118 cycles
- Engine: Pwa PW2037
- System (JASC): [2910 · Hydraulic System, Main](https://openairdocs.org/jasc/2910)
- Part: Hose
- Part number: AC11504K0232
- Condition: Ruptured
- Location: Mlg Hyd System
- Stage of operation: CL
- 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/2000UALA00521

## Discrepancy

SHORTLY AFTER DEPARTURE, THE LEFT HYDRAULIC QTY DROPPED TO .13 AS THE LEFT HYDRAULIC PUMP WAS SHUT OFF, THE HYD QTY DROPPED TO .01.  *S/D*  FOUND LT MLG SIDE BRACE LOCK ACTUATOR FLEXIBLE HOSE RUPTURED.  REPLACED LEFT MLG DOWNLOCK ACTUATOR HOSE.  BLED AND LEAK CHECKED OK.

---
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.