# SDR 2001UALA00903

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 1, 2001
- Submitted: July 31, 2001
- Operation: Air carrier
- Aircraft: N7280U
- Make and model: Boeing 727222
- Aircraft serial: 21558
- Aircraft time: 65,672 hours, 37,511 cycles
- Engine: Pwa JT8D15
- System (JASC): [2916 · Hydraulic Reservoir, Main](https://openairdocs.org/jasc/2916)
- Part: O-Ring
- Stage of operation: LD
- Nature of condition: F
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/2001UALA00903

## Discrepancy

LANDED LAX UNDER AMBER ALERT DUE TO LOSS OF HYDRAULIC PRESSURE. SUPPLEMENTAL DATA UPDATE FOUND ELEVATOR FEEL COMPUTER "A" SYSTEM FILTER CAP O-RING CUT AND LEAKING. REPLACED O-RING AND FILTER PER MM. SERVICED HYDRAULIC SYSTEM AND LEAK CHECKED OK.

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