# SDR CALA9600964

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 4, 1996
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: [N17407](https://openairdocs.org/aircraft/N17407), registered now
- Make and model: Boeing 727243
- Aircraft serial: 21270
- System (JASC): [2910 · Hydraulic System, Main](https://openairdocs.org/jasc/2910)
- Part: Hyd Line
- Part number: 6517843328
- Condition: Leaking
- Location: Rt Mlg Ww
- Stage of operation: CR
- Nature of condition: K, J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA9600964

## Discrepancy

THE A-SYSTEM HYDRAULIC FLUID QUANTITY DECREASED FROM FOUR GALLONS TO .2 GALLONS DURING FLIGHT.  THE GEAR AND FLAPS WERE LOWERED NORMALLY AND THE AIRCRAFT LANDED WITHOUT INCIDENT.  MAINTENANCE FOUND THE HYDRAULIC A-SYSTEM RETURN LINE FROM WING TANK HEAT EXCHANGER TO RIGHT WHEEL WELL AFT BULKHEAD LEAKING.  THE LINE WAS REPLACED USING FLEX LINE AND A DIP WAS ISSUED TO REPLACE THE LINE WITHIN 1200 HOURS OR 500 FLIGHTS, WHICHEVER COMES FIRST.  THE HYDRAULIC SYSTEM WAS SERVICED TO FULL.

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