# SDR 98ZZZX1362

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 10, 1998
- Submitted: March 26, 2000
- Operation: General aviation
- Filed by: [Aviation Sales and Maintenance Inc, repair station EB1R107K](https://openairdocs.org/faa-repair-station/EB1R107K/aviation-sales-and-maintenance-inc.md) (OpenAirDocs)
- Aircraft: N69739
- Make and model: Boeing 727224
- Aircraft serial: 20667
- System (JASC): [2910 · Hydraulic System, Main](https://openairdocs.org/jasc/2910)
- Part: Valve
- Part number: AV16B1350
- Condition: Failed
- Location: Hydraulic Sov
- Stage of operation: IN
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/98ZZZX1362

## Discrepancy

AIRFCRAFT UNDERGOING 4B CHECK, HYDRAULIC SHUT-OFF VALVE TO NR 2 ENGINE WOULD NOT OPERATE.  WHEN NR 2 ENGINE FIRE PULL T-HANDLE WAS PULLED, THE CIRCUIT BREAKER FOR THE HYDRAULIC SHUT-OFF VALVE TRIPPED.  TROUBLELSHOOTING REVEALED THE VALVE WAS STUCK IN THE OPEN POSITION.  THE RED FLAG INDICATOR COULD NOT BE MOVED.  REMOVED AND REPLACED SHUT-OFF VALVE.

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