SDR 04053

Service difficulty report · Engine · Boeing 747123

Difficulty date: October 24, 2004
Submitted: October 26, 2004
Operation: Air carrier
Aircraft: N717CK
Make and model: Boeing 747123
Aircraft serial: 20325
Aircraft time: 73,740 hours, 21,243 cycles
Engine: Pwa JT9D7A
Engine time: 59,179 hours, 24,034 cycles
System (JASC): 7200 · Engine (Turbine/Turboprop)
Part: Engine
Condition: Failed
Location: Nr 4
Part time: 59,179 hours, 24,034 cycles
Stage of operation: CL
How discovered: O
Nature of condition: X, J
Precautionary procedure: A

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

What was found

ON T/O FROM HNL, NR 4 ENGINE LOSS AT 200 FT WITH LOUD BANG AND BRIGHT FLASH. EGT WENT TO 1100 DEGREES, ENGINE OIL PRESSURE APPROX 10 PSI FOR 5 MIN, THEN WENT TO 5PSI. RETURNED TO HNL. BOROSCOPED NR 4 ENGINE LP AND HP COMP SECTIONS AND FOUND EVIDENCE OF BIRD STRIKE.