# SDR P5CA0401072

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 14, 2004
- Submitted: April 23, 2004
- Operation: Air carrier
- Aircraft: [N454PA](https://openairdocs.org/aircraft/N454PA), registered now
- Make and model: Boeing 747-46NF
- Registry model: [Boeing 747-46NF](https://openairdocs.org/model/boeing-747-46nf) (OpenAirDocs)
- Aircraft serial: 30812
- Aircraft time: 7,624 hours, 1,340 cycles
- System (JASC): [2914 · Hydraulic Handpump, Main](https://openairdocs.org/jasc/2914)
- Part: Pump
- Part number: 6606808
- Part serial: K1489
- Condition: Failed
- Location: Hyd System
- Stage of operation: TX
- How discovered: 9
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/P5CA0401072

## Discrepancy

AFTER STARTING ENG 1 & 4, OPERATING CONRTOL CHECK HYD PSI NR 3 FELL TO 80PSI, VERY SLOW TO COME UP, SPI VERY SLOW TO RESPOND.  HYD SYSTEM FAULT LIGHT LOW PSI LIGHT CAME ON.  DEFERRED NR 3 DEMAND PUMP, ON 4/17/04 R&R NR 3 ACMP, OPS AND LEAK CK OK.

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