# SDR 2001UALA02092

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 1, 2001
- Submitted: November 7, 2001
- Operation: Air carrier
- Aircraft: N7452U
- Make and model: Boeing 727222
- Aircraft serial: 21906
- Aircraft time: 63,376 hours, 36,697 cycles
- Engine: Pwa JT8D15
- System (JASC): [2920 · Hydraulic System, Auxiliary](https://openairdocs.org/jasc/2920)
- Part: Hydraulic System
- Condition: Malfunctioned
- Location: B System
- Stage of operation: CR
- How discovered: O
- Nature of condition: J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/2001UALA02092

## Discrepancy

AIRCRAFT LOST B-SYSTEM HYDRAULIC PRESSURE IN FLIGHT.  THE AIRCRAFT DIVERTED TO DTW. HYDRAULIC SYSTEM CHECKED PER THE 727 MAINTENANCE MANUAL.  NO FAULTS FOUND.  NO HYDRAULIC ISSUES IN AIRCRAFT HISTORY SINCE THIS INCIDENT.

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