SDR IPXA2022092886677

Service difficulty report · Pump · Boeing 76734AF

Difficulty date: September 28, 2022
Submitted: September 28, 2022
Operation: Air carrier
Aircraft: N308UP
Make and model: Boeing 76734AF
Aircraft serial: 27761
Aircraft time: 66,950 hours, 22,492 cycles
Engine: Ge CF680C2*
System (JASC): 2913 · Hydraulic Pump (Electric/Engine), Main
Part: Pump
Part number: 3B413B
Part serial: N2115
Condition: Faulted
Location: Hyd System
Stage of operation: CL
How discovered: O
Nature of condition: J
Precautionary procedure: A

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

What was found

AIR TURN BACK, ON CLIMB OUT L HYD DEMAND PUMP EICAS MESSAGE FOLLOWED QRH PROCEDURE SHUT AFFECTED PUMP OFF RETURNED TO ICN PER MMOC.T/S PER FIM 29-11-00-815-806. FOUND FAULT INTERMITTENT RTR LEFT ELCU, K204, K680 AND K130 PRECAUTIONALLY PER AMM 29-11-04-401 & WDM 29-11-12 PG1 SH2. LH ACMP SYS OPS TEST ALL NORMAL. A/C OK FOR SVC.

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