SDR P5CA0401072

Service difficulty report · Pump · Boeing 74746NF

Difficulty date: April 14, 2004
Submitted: April 23, 2004
Operation: Air carrier
Aircraft: N454PA
Make and model: Boeing 74746NF
Aircraft serial: 30812
Aircraft time: 7,624 hours, 1,340 cycles
System (JASC): 2914 · Hydraulic Handpump, Main
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

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

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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