# SDR CALA9800089

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 19, 1998
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: N18563
- Make and model: Doug DC-9-31
- Registry model: [Doug DC-9-31](https://openairdocs.org/model/douglas-dc-9-31) (OpenAirDocs)
- Aircraft serial: 47487
- System (JASC): [2910 · Hydraulic System, Main](https://openairdocs.org/jasc/2910)
- Part: Hyd Line
- Part number: 7912641554
- Condition: Ruptured
- Location: Nr 1 Eng Tr
- Stage of operation: CL
- Nature of condition: K, J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA9800089

## Discrepancy

AIRCRAFT LOST THE LEFT SYSTEM HYDRAULIC QUANTITY DURING CLIMB-OUT OF IAH.  THE AIRCRAFT WAS RETURNED TO IAH WHERE IT LANDED WITHOUT INCIDENT.  MAINTENANCE FOUND THE NR 1 ENGINE THRUST REVERSER CONTROL VALVE HYDRAULIC LINE RUPTURED.  THE HYDRAULIC LINE WAS REPAIRED.  LEAK AND OPERATIONAL CHECKS WERE GOOD.

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