<< >> NASA ASRS Report 387716, December 1997

DC9-15 aircraft had right engine B fire detector loop placarded inoperative. During cruise the flight crew had right fire warning light and flight crew diverted to closest airport. After landing they shut down the engine and had ground crew check it. Postflt revealed the detector loop was faulty.

Attributes
ACN	387716
Time
Date	199712
Day	Tue
Local Time Of Day	1801 To 2400
Place
Locale Reference	atc facility : mem
State Reference	TN
Altitude	msl bound lower : 33000 msl bound upper : 33000
Environment
Flight Conditions	Mixed
Light	Night
Aircraft 1
Controlling Facilities	artcc : zme
Operator	common carrier : air carrier
Make Model Name	DC-9 10
Operating Under FAR Part	Part 121
Flight Phase	cruise other other other
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Qualification	pilot : atp pilot : commercial pilot : flight engineer
Experience	flight time last 90 days : 180 flight time total : 8500 flight time type : 6500
ASRS Report	387716
Person 2
Affiliation	company : air carrier
Function	flight crew : first officer
Qualification	pilot : instrument pilot : commercial
Experience	flight time last 90 days : 180 flight time total : 4000 flight time type : 650
ASRS Report	387555
Events
Anomaly	aircraft equipment problem : critical other anomaly other
Independent Detector	aircraft equipment other aircraft equipment : unspecified other flight crewa
Resolutory Action	flight crew : declared emergency none taken : unable
Consequence	Other
Supplementary
Primary Problem	Aircraft

Narrative:

Flight left jan for stl with the right engine B fire detection loop placarded inoperative. Takeoff and climb to cruise altitude of FL330 was normal. Approaching mem at cruise altitude, the right fire warning light started flashing on and off with no other indication of a problem. We told ATC that we were changing our destination to mem. Power was reduced to idle on both engines during descent. Descent, approach and landing in mem were normal. After landing and taxiing clear of runway 18L, the right engine was secured and fire equipment personnel were asked to inspect our right engine. They reported no sign of any problem. Flight then taxied to the gate.

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Original NASA ASRS Text

Title: DC9-15 ACFT HAD R ENG B FIRE DETECTOR LOOP PLACARDED INOP. DURING CRUISE THE FLC HAD R FIRE WARNING LIGHT AND FLC DIVERTED TO CLOSEST ARPT. AFTER LNDG THEY SHUT DOWN THE ENG AND HAD GND CREW CHK IT. POSTFLT REVEALED THE DETECTOR LOOP WAS FAULTY.

Narrative: FLT LEFT JAN FOR STL WITH THE R ENG B FIRE DETECTION LOOP PLACARDED INOP. TKOF AND CLB TO CRUISE ALT OF FL330 WAS NORMAL. APCHING MEM AT CRUISE ALT, THE R FIRE WARNING LIGHT STARTED FLASHING ON AND OFF WITH NO OTHER INDICATION OF A PROB. WE TOLD ATC THAT WE WERE CHANGING OUR DEST TO MEM. PWR WAS REDUCED TO IDLE ON BOTH ENGS DURING DSCNT. DSCNT, APCH AND LNDG IN MEM WERE NORMAL. AFTER LNDG AND TAXIING CLR OF RWY 18L, THE R ENG WAS SECURED AND FIRE EQUIP PERSONNEL WERE ASKED TO INSPECT OUR R ENG. THEY RPTED NO SIGN OF ANY PROB. FLT THEN TAXIED TO THE GATE.

Data retrieved from NASA's ASRS site as of July 2007 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.