Right main landing gear on B737-300 fails to extend by normal means.

Attributes
ACN	313691
Time
Date	199508
Day	Sun
Local Time Of Day	0601 To 1200
Place
Locale Reference	airport : buf
State Reference	NY
Altitude	msl bound lower : 2500 msl bound upper : 2500
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Controlling Facilities	tracon : buf tower : buf
Operator	common carrier : air carrier
Make Model Name	B737-300
Operating Under FAR Part	Part 121
Navigation In Use	Other Other
Flight Phase	descent : approach landing : go around other
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	flight crew : first officer
Qualification	pilot : flight engineer pilot : atp pilot : cfi
Experience	flight time last 90 days : 240 flight time total : 14000 flight time type : 800
ASRS Report	313691
Person 2
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Qualification	pilot : atp
Events
Anomaly	aircraft equipment problem : critical
Independent Detector	aircraft equipment other aircraft equipment : unspecified other controllera
Resolutory Action	flight crew : declared emergency flight crew : overcame equipment problem
Consequence	Other
Supplementary
Primary Problem	Aircraft

Narrative:

Approaching LOM, ILS runway 23 at buf. Lowered gear and right main landing gear did not extend (received light/gear horn) recycled gear, same indication. Flyby, tower advised gear (right main landing gear) in the wheel well, climbed to 4000 ft. Approach sent us to buf VOR. Performed emergency/abnormal checklist. Manual unlock of right main landing gear accomplished, completed remaining checklists. On final, tower also advised right main landing gear down. Normal landing. FAA showed up 2 hours later. Passenger and flight attendants were kept advised of our status as time permitted. Also, company was advised that we had a main landing gear problem. Fire trucks, ambulance, etc were rolled and followed aircraft to gate.

Original NASA ASRS Text

Title: R MAIN LNDG GEAR ON B737-300 FAILS TO EXTEND BY NORMAL MEANS.

Narrative: APCHING LOM, ILS RWY 23 AT BUF. LOWERED GEAR AND R MAIN LNDG GEAR DID NOT EXTEND (RECEIVED LIGHT/GEAR HORN) RECYCLED GEAR, SAME INDICATION. FLYBY, TWR ADVISED GEAR (R MAIN LNDG GEAR) IN THE WHEEL WELL, CLBED TO 4000 FT. APCH SENT US TO BUF VOR. PERFORMED EMER/ABNORMAL CHKLIST. MANUAL UNLOCK OF R MAIN LNDG GEAR ACCOMPLISHED, COMPLETED REMAINING CHKLISTS. ON FINAL, TWR ALSO ADVISED R MAIN LNDG GEAR DOWN. NORMAL LNDG. FAA SHOWED UP 2 HRS LATER. PAX AND FLT ATTENDANTS WERE KEPT ADVISED OF OUR STATUS AS TIME PERMITTED. ALSO, COMPANY WAS ADVISED THAT WE HAD A MAIN LNDG GEAR PROB. FIRE TRUCKS, AMBULANCE, ETC WERE ROLLED AND FOLLOWED ACFT TO 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.