SDR AALA20161213026

Service difficulty report · Tube · Boeing 737823

Difficulty date: December 10, 2016
Submitted: December 13, 2016
Operation: Air carrier
Aircraft: N916NN
Make and model: Boeing 737823
Aircraft serial: 31163
Aircraft time: 12,721 hours, 4,933 cycles
System (JASC): 7520 · Engine Cooling System
Part: Tube
Condition: Loose
Location: Nr 2 Engine
Stage of operation: CL
How discovered: O
Nature of condition: M, J, B
Precautionary procedure: A

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

What was found

AIRCRAFT WAS GROUNDED. AIR INTERRUPT, DFW-MCO. EMERGENCY DECLARED. LANDING UNEVENTFUL. AIRCRAFT OVERWEIGHT. DURING CLIMB THE NR 2 ENGINE OVERHEAT ANNUNCIATOR ILLUMINATED ACCOMPANIED BY A MILD BURNING SMELL. MAINTENANCE FOUND THE NR 2 ENGINE STAGE NINE INLET TUBE LOOSE AND GASKET BLOWN OUT. INSTALLED NEW GASKET AND RESECURED INLET TUBE IAW AMM 75-21-00. LEAK AND OPERATIONAL CHECKS NORMAL. SEE ALSO AALA201612130027.