# SDR DLL14992003

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 8, 1999
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: [N737D](https://openairdocs.org/aircraft/N737D), registered now
- Make and model: Lkheed 1011385115
- Aircraft serial: 193C1228
- System (JASC): [2913 · Hydraulic Pump (Electric/Engine), Main](https://openairdocs.org/jasc/2913)
- Part: Pump
- Part number: 693980
- Condition: Cracked
- Location: C Hyd Sys
- Stage of operation: CR
- Nature of condition: K, J
- Precautionary procedure: H
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DLL14992003

## Discrepancy

HYDRAULIC SYS C QUANTITY GAUGE SLOWLY DECREASED BELOW ONE-HALF INDICATOR MARK.  SHUTOFF C1 PUMP AND C2 ATM AS PER POM. QTY  CONTINUED TO DECREASE TO .125 AND LOW QTY LIGHT CAME ON.  FOUND C SYS A/C PUMP LEAKING FROM CASE.  REPLACED WITH BORROWED TWA PART S/N 277295.  INSPECTED CASE DRAIN PRESSURE AND RETURN FILTERS CKS GOOD.  A/C PUMP OPS AND LEAK CKS GOOD.  RESET C1 PUMP MOTORED ENG CKS GOOD.

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