PA31-350 pilot was unable to extend main landing gear prior to landing.

Attributes
ACN	353019
Time
Date	199611
Day	Sat
Local Time Of Day	1201 To 1800
Place
Locale Reference	airport : teb
State Reference	NJ
Altitude	agl bound lower : 0 agl bound upper : 0
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Controlling Facilities	tower : teb
Operator	general aviation : personal
Make Model Name	PA-31 Navajo Chieftan/Mojave/Navajo T1020
Operating Under FAR Part	Part 91
Flight Phase	descent : approach landing other
Flight Plan	VFR
Person 1
Affiliation	Other
Function	flight crew : single pilot
Qualification	pilot : instrument
Experience	flight time last 90 days : 20 flight time total : 725 flight time type : 150
ASRS Report	353019
Person 2
Affiliation	government : faa
Function	controller : local
Qualification	controller : non radar
Events
Anomaly	aircraft equipment problem : critical
Independent Detector	aircraft equipment other aircraft equipment : unspecified other flight crewa
Resolutory Action	flight crew : declared emergency none taken : unable
Consequence	other Other
Supplementary
Primary Problem	Aircraft

Narrative:

Nose gear dropped but mains would not extend until last go around. Unable to recycle gear (handle locked up). Unable to manually extend gear.

Original NASA ASRS Text

Title: PA31-350 PLT WAS UNABLE TO EXTEND MAIN LNDG GEAR PRIOR TO LNDG.

Narrative: NOSE GEAR DROPPED BUT MAINS WOULD NOT EXTEND UNTIL LAST GAR. UNABLE TO RECYCLE GEAR (HANDLE LOCKED UP). UNABLE TO MANUALLY EXTEND GEAR.

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.