SDR AALA201905019009

Service difficulty report · Oil System · Boeing 737823

Difficulty date: April 30, 2019
Submitted: May 1, 2019
Operation: Air carrier
Aircraft: N951NN
Make and model: Boeing 737823
Aircraft serial: 33327
Aircraft time: 16,215 hours, 6,057 cycles
Engine: Ge CFM567B24
System (JASC): 7261 · Turbine Engine Oil System
Part: Oil System
Condition: Overserviced
Location: Nr 2 Engine
Stage of operation: NR
How discovered: O
Nature of condition: B
Precautionary procedure: K

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

What was found

AIRCRAFT WAS GROUNDED: FLIGHT ATTENDANTS REPORTED A SULPHUR OR ROTTEN EGG SMELL ON TAXI OUT IN ORD. ALSO ON LEVEL OFF AT CRUSE AND AGAIN ON LANDING. SMELL RESTRICTED TO AFT GALLEY ONLY. MAINTENANCE ACCOMPLISHED JOBCARD 08L00021001 FOUND EXCESSIVE OIL IN OIL TANK (NR 2 ENGINE) SCUPPERFORM FROM OVER SERVICING AND CLEANED ALL COWLINGS AND SURROUNDING AREAS. NO LEAKS NOTED AND MAINTENANCE PERFORMED SATISFACTORY OPERATIONAL CHECK.