<< >> NASA ASRS Report 641998, January 2005

A B737-300 on approach at 180 ft had #1 engine overheat light on steady. Prior to approach; had light intermittently on and off. False warning.

Attributes
ACN	641998
Time
Date	200501
Local Time Of Day	0601 To 1200
Place
Locale Reference	airport : zzz.airport
State Reference	US
Altitude	msl single value : 18000
Aircraft 1
Controlling Facilities	artcc : zzz.artcc
Operator	common carrier : air carrier
Make Model Name	B737-300
Operating Under FAR Part	Part 121
Flight Phase	descent : intermediate altitude
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Experience	flight time last 90 days : 210 flight time total : 7000 flight time type : 3900
ASRS Report	641998
Person 2
Affiliation	company : air carrier
Function	flight crew : first officer
Experience	flight time last 90 days : 270 flight time total : 5000 flight time type : 1200
ASRS Report	641997
Events
Anomaly	aircraft equipment problem : critical
Independent Detector	aircraft equipment other aircraft equipment : #1 engine ovht warning other flight crewa other flight crewb
Resolutory Action	controller : provided flight assist flight crew : landed in emergency condition flight crew : overcame equipment problem
Consequence	other other
Supplementary
Problem Areas	Aircraft
Primary Problem	Aircraft

Narrative:

The #1 engine overheat light illuminated off and on along with the master caution light. All other engine conditions were normal. We suspected this was a false indication. I flew the airplane and told ATC; and told the first officer to accomplish the qrc. After the qrc; the light went out. We set up for a single engine landing; coordination with ATC; accomplishing a cabin advisory with the purser. After an uneventful landing; the light came back on steadily. We accomplished the qrc and checklists which had us shut the engine down; and blow both fire bottles. All other indications were normal. The light continued to illuminate. We asked for the fire equipment to examine the aircraft. They saw no smoke or sign of fire. I had made an announcement to the passenger as to the situation. We contacted dispatch and hooked up with a phone patch with maintenance. After consultation with everybody; we decided to taxi the aircraft to the gate.

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Original NASA ASRS Text

Title: A B737-300 ON APCH AT 180 FT HAD #1 ENG OVERHEAT LIGHT ON STEADY. PRIOR TO APCH; HAD LIGHT INTERMITTENTLY ON AND OFF. FALSE WARNING.

Narrative: THE #1 ENG OVERHEAT LIGHT ILLUMINATED OFF AND ON ALONG WITH THE MASTER CAUTION LIGHT. ALL OTHER ENG CONDITIONS WERE NORMAL. WE SUSPECTED THIS WAS A FALSE INDICATION. I FLEW THE AIRPLANE AND TOLD ATC; AND TOLD THE FO TO ACCOMPLISH THE QRC. AFTER THE QRC; THE LIGHT WENT OUT. WE SET UP FOR A SINGLE ENG LNDG; COORD WITH ATC; ACCOMPLISHING A CABIN ADVISORY WITH THE PURSER. AFTER AN UNEVENTFUL LNDG; THE LIGHT CAME BACK ON STEADILY. WE ACCOMPLISHED THE QRC AND CHKLISTS WHICH HAD US SHUT THE ENG DOWN; AND BLOW BOTH FIRE BOTTLES. ALL OTHER INDICATIONS WERE NORMAL. THE LIGHT CONTINUED TO ILLUMINATE. WE ASKED FOR THE FIRE EQUIP TO EXAMINE THE ACFT. THEY SAW NO SMOKE OR SIGN OF FIRE. I HAD MADE AN ANNOUNCEMENT TO THE PAX AS TO THE SIT. WE CONTACTED DISPATCH AND HOOKED UP WITH A PHONE PATCH WITH MAINT. AFTER CONSULTATION WITH EVERYBODY; WE DECIDED TO TAXI THE ACFT TO THE GATE.

Data retrieved from NASA's ASRS site as of January 2009 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.