Md-10 captain reported inflight shutdown of #2 engine when they received a 'loop a' fault.

Attributes
ACN	1247229
Time
Date	201503
Local Time Of Day	1801-2400
Place
Locale Reference	ZZZ.Airport
State Reference	US
Environment
Flight Conditions	VMC
Light	Night
Aircraft 1
Make Model Name	MD-11
Operating Under FAR Part	Part 121
Flight Phase	Cruise
Flight Plan	IFR
Component
Aircraft Component	Powerplant Fire/Overheat Warning
Person 1
Function	Captain Pilot Flying
Events
Anomaly	Aircraft Equipment Problem Less Severe Flight Deck / Cabin / Aircraft Event Other / Unknown

Narrative:

Leveling off at fl 340 received a lvl 2 'eng 2 loop a' fault. Turned on overhead lights and gave first officer [first officer] the aircraft and comm. Pulled out the appropriate QRH; and on first decision tree had an unsatisfactory engine fire test. Continued with appropriate decision tree branch after confirming with first officer; resulting in fire warning and referral to engine fire severe damage checklist. Performed phase ones; and shut down engine. Diverted to closest airport and planned and executed an ILS approach. Cleared runway after landing and had aircraft inspected by fire department who reported noticing no combustion/damage on the engine; cleared to taxi to gate with fire department escort.

Original NASA ASRS Text

Title: MD-10 Captain reported inflight shutdown of #2 engine when they received a 'Loop A' fault.

Narrative: Leveling off at FL 340 received a LVL 2 'Eng 2 Loop A' fault. Turned on overhead lights and gave First Officer [FO] the aircraft and comm. Pulled out the appropriate QRH; and on first decision tree had an unsatisfactory engine fire test. Continued with appropriate decision tree branch after confirming with FO; resulting in fire warning and referral to Engine Fire Severe Damage checklist. Performed phase ones; and shut down engine. Diverted to closest airport and planned and executed an ILS approach. Cleared runway after landing and had aircraft inspected by fire department who reported noticing no combustion/damage on the engine; cleared to taxi to gate with fire department escort.

Data retrieved from NASA's ASRS site and automatically converted to unabbreviated mixed upper/lowercase text. This report is for informational purposes with no guarantee of accuracy. See NASA's ASRS site for official report.