SDR ASAA2023080944578

Service difficulty report · Computer · Boeing 7379

Difficulty date: August 9, 2023
Submitted: August 14, 2023
Operation: Air carrier
Aircraft: N977AK
Make and model: Boeing 7379
Aircraft serial: 43391
Aircraft time: 4,331 hours, 1,287 cycles
System (JASC): 7320 · Fuel Controlling System
Part: Computer
Part number: 2474M65P06
Part serial: FAKS1624
Condition: Faulty
Location: #2 Fadec
Part time: 4,388 hours, 1,304 cycles
Stage of operation: IN
How discovered: V
Nature of condition: O
Precautionary procedure: K

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

What was found

GE DIAGNOSTICS REPORTS THE #2 ENGINE IS GENERATING ALERTS FOR PS3 OUT OF RANGE, PS3 PRESSURE DISAGREE FAULT, P3B OUT OF RANGE, P3B PRESSURE DISAGREE FAULT, OR P3B VS PS3 PRESSURE DISAGREE FAULT. GROUNDED - YES. REMOVED AND REPLACED PSS REF AMM 73-21-11, OPS CHECKS GOOD.

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