An air carrier mdt crew had an alternate landing gear extension.

Attributes
ACN	248056
Time
Date	199308
Day	Mon
Local Time Of Day	0601 To 1200
Place
Locale Reference	atc facility : bwi airport : dbwi
State Reference	MD
Altitude	msl bound lower : 1500 msl bound upper : 1500
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Controlling Facilities	tracon : bwi tower : bwi
Operator	common carrier : air carrier
Make Model Name	Medium Transport, High Wing, 2 Turboprop Eng
Flight Phase	other
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Qualification	pilot : atp pilot : cfi
Experience	flight time last 90 days : 240 flight time total : 7300 flight time type : 630
ASRS Report	248056
Person 2
Affiliation	company : air carrier
Function	flight crew : first officer
Qualification	pilot : commercial pilot : instrument
Events
Anomaly	aircraft equipment problem : less severe other anomaly other
Independent Detector	aircraft equipment other aircraft equipment : unspecified other flight crewa
Resolutory Action	flight crew : overcame equipment problem other
Consequence	Other
Supplementary
Primary Problem	Aircraft
Air Traffic Incident	other

Narrative:

When the first officer came to 'ptu/gear' on the checklist we noticed a red gear light on the right main landing gear. The first officer said the gear was not down by visual inspection out his side window. The tower confirmed the right main gear was not down. The first officer made a brief PA to the passenger letting them know of the situation. I called for the emergency/abnormal checklist -- landing gear indicator malfunction. The first officer carried out the items for this but no green light on the right main. The checklist then said to proceed with an alternate landing gear extension. First officer carried out the checklist items and the right main came down. This was verified by a green gear indicator in the cockpit and visual inspection by the first officer going back in the cabin. Approach was notified to have the crash fire rescue equipment standing by. I discussed with the first officer if an evacuate/evacuation is needed what our duties will be. I called the flight attendant and explained the gear was indicating down but to prepare the cabin for an emergency landing. I told her to turn on the floor emergency lights and pull her circuit breakers. I gave her instructions on evacing if needed. Approach vectored us for runway 33L. All checklists were completed and a landing clearance was given. A routine approach and landing were made. As we turned off the runway, the first officer made a PA no evacuate/evacuation was needed.

Original NASA ASRS Text

Title: AN ACR MDT CREW HAD AN ALTERNATE LNDG GEAR EXTENSION.

Narrative: WHEN THE FO CAME TO 'PTU/GEAR' ON THE CHKLIST WE NOTICED A RED GEAR LIGHT ON THE R MAIN LNDG GEAR. THE FO SAID THE GEAR WAS NOT DOWN BY VISUAL INSPECTION OUT HIS SIDE WINDOW. THE TWR CONFIRMED THE R MAIN GEAR WAS NOT DOWN. THE FO MADE A BRIEF PA TO THE PAX LETTING THEM KNOW OF THE SIT. I CALLED FOR THE EMER/ABNORMAL CHKLIST -- LNDG GEAR INDICATOR MALFUNCTION. THE FO CARRIED OUT THE ITEMS FOR THIS BUT NO GREEN LIGHT ON THE R MAIN. THE CHKLIST THEN SAID TO PROCEED WITH AN ALTERNATE LNDG GEAR EXTENSION. FO CARRIED OUT THE CHKLIST ITEMS AND THE R MAIN CAME DOWN. THIS WAS VERIFIED BY A GREEN GEAR INDICATOR IN THE COCKPIT AND VISUAL INSPECTION BY THE FO GOING BACK IN THE CABIN. APCH WAS NOTIFIED TO HAVE THE CFR STANDING BY. I DISCUSSED WITH THE FO IF AN EVAC IS NEEDED WHAT OUR DUTIES WILL BE. I CALLED THE FLT ATTENDANT AND EXPLAINED THE GEAR WAS INDICATING DOWN BUT TO PREPARE THE CABIN FOR AN EMER LNDG. I TOLD HER TO TURN ON THE FLOOR EMER LIGHTS AND PULL HER CIRCUIT BREAKERS. I GAVE HER INSTRUCTIONS ON EVACING IF NEEDED. APCH VECTORED US FOR RWY 33L. ALL CHKLISTS WERE COMPLETED AND A LNDG CLRNC WAS GIVEN. A ROUTINE APCH AND LNDG WERE MADE. AS WE TURNED OFF THE RWY, THE FO MADE A PA NO EVAC WAS NEEDED.

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.