SDR KCSA11014

Service difficulty report · Engine · Boeing 747122

Difficulty date: March 25, 2011
Submitted: March 28, 2011
Operation: Air carrier
Aircraft: N712CK
Make and model: Boeing 747122
Aircraft serial: 19754
Aircraft time: 102,936 hours, 24,864 cycles
Engine: Pwa JT9D7A
System (JASC): 7200 · Engine (Turbine/Turboprop)
Part: Engine
Condition: Power Loss
Location: Nr 1
Stage of operation: CR
How discovered: O
Nature of condition: P, R
Precautionary procedure: K

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

What was found

AT 0600Z IN STABLE CRUISE, FL350- SMOOTH AIR, IGNITION ON, FUEL HEAT ON, NR 1 ENG ROLLED BACK - MIN OIL PRESS 35 PSI - NO PARAMETERS EXCEEDED - NO FIRE SWITCH PULLED - NO CAUTION / WARNINGS. 2 RAPID RESTARTS DURING APPROX 3 MINUTES. ENG STARTED BUT NO ACCL UNTIL A DESCENT STARTED, THEN ACCL NORMAL. PERFORMED FUEL SYSTEM FILTER CHECK FOR CONTAMINATION IAW FIM 71-01-20. NO CONTAMINATION FOUND. REPLACED FUEL PUMP FILTER FOR PRECAUTION IAW AMM 73-11-02. OPS AND LEAK CHECK IAW AMM 71-00-00. OPS NORMAL.