<< >> NASA ASRS Report 887586, May 2010

A MD80 captain reported that both the red gear unsafe and the green gear down lights did not illuminate when the gear were lowered for landing. An emergency was declared but then canceled after the bulbs were changed and safe indications resulted.

Attributes
ACN	887586
Time
Date	201005
Local Time Of Day	1201-1800
Place
Locale Reference	ZZZ.ARTCC
State Reference	US
Environment
Light	Daylight
Aircraft 1
Make Model Name	MD-80 Series (DC-9-80) Undifferentiated or Other Model
Operating Under FAR Part	Part 121
Flight Phase	Descent Initial Approach
Flight Plan	IFR
Component
Aircraft Component	Landing Gear Indicating System
Person 1
Function	Captain Pilot Flying
Qualification	Flight Crew Commercial
Events
Anomaly	Aircraft Equipment Problem Critical Aircraft Equipment Problem Less Severe

Narrative:

During final approach to landing; when gear selected down; the right main gear 'green down and locked' light did not illuminate. Red unsafe also not on. Emergency declared. All four bulbs in gear down indicator burned out. Bulbs replaced with normal gear indication. Uneventful landing.

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Original NASA ASRS Text

Title: A MD80 Captain reported that both the Red Gear Unsafe and the Green Gear Down lights did not illuminate when the gear were lowered for landing. An emergency was declared but then canceled after the bulbs were changed and safe indications resulted.

Narrative: During final approach to landing; when gear selected down; the right main gear 'green down and locked' light did not illuminate. Red unsafe also not on. Emergency declared. All four bulbs in gear down indicator burned out. Bulbs replaced with normal gear indication. Uneventful landing.

Data retrieved from NASA's ASRS site as of April 2012 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.