SDR MZZA0300001

Service difficulty report · Engine · Boeing 737823

Difficulty date: March 30, 2003
Submitted: August 16, 2005
Operation: Air carrier
Aircraft: N14235
Make and model: Boeing 737823
Aircraft serial: 28947
Engine: Cfmint CFM567B26US
System (JASC): 7200 · Engine (Turbine/Turboprop)
Part: Engine
Condition: Failed
Location: Nr 1
Stage of operation: CR
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

THE NR 1 ENGINE FAILED DURING STABLE CRUISE AT FL 380 WHILE ENROUTE. THE HIGHEST EGT OBSERVED WAS 890 DEGREES AND N1 WENT TO 24 PERCENT. THE AIRCRAFT WAS DIVERTED, WHERE IT LANDED WITHOUT INCIDENT. THE ENGINE FAILURE WAS REPORTED TO BE AN UNCOMMANDED SHUTDOWN. INITIAL ENGINE EXAMINATION FOUND MANY BLADES MISSING FROM FAN AND TURBINE WHEEL. THE NR 1 ENGINE WAS REMOVED AND REPLACED. THE SDR WILL REMAIN OPEN FOR PART INFO PENDING INVESTIGATION. (K)