A flight crew reports a possible missed clearance near bos.

Attributes
ACN	451080
Time
Date	199910
Day	Thu
Local Time Of Day	1201 To 1800
Place
Locale Reference	navaid : gdm.vortac
State Reference	MA
Altitude	msl single value : 14000
Environment
Flight Conditions	Mixed
Light	Daylight
Aircraft 1
Controlling Facilities	artcc : zbw.artcc
Operator	common carrier : air carrier
Make Model Name	Commercial Fixed Wing
Operating Under FAR Part	Part 121
Navigation In Use	other
Flight Phase	cruise other
Route In Use	enroute : direct
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Qualification	pilot : multi engine pilot : instrument pilot : atp
Experience	flight time last 90 days : 200 flight time total : 13000 flight time type : 4000
ASRS Report	451080
Person 2
Affiliation	company : air carrier
Function	flight crew : first officer
Qualification	pilot : multi engine pilot : instrument pilot : commercial
Events
Anomaly	non adherence other
Independent Detector	other flight crewa
Resolutory Action	none taken : anomaly accepted
Supplementary
Problem Areas	Flight Crew Human Performance
Primary Problem	Ambiguous

Narrative:

Possible missed clearance to go direct bronc intersection versus going direct gdm VOR may have been altitude conflict. Center stopped descent and then reclred to bronc so not sure if altitude conflict occurred. Part of ATC transmission may have been blocked and only descent to 11000 ft portion may have been received.

Original NASA ASRS Text

Title: A FLC RPTS A POSSIBLE MISSED CLRNC NEAR BOS.

Narrative: POSSIBLE MISSED CLRNC TO GO DIRECT BRONC INTXN VERSUS GOING DIRECT GDM VOR MAY HAVE BEEN ALT CONFLICT. CTR STOPPED DSCNT AND THEN RECLRED TO BRONC SO NOT SURE IF ALT CONFLICT OCCURRED. PART OF ATC XMISSION MAY HAVE BEEN BLOCKED AND ONLY DSCNT TO 11000 FT PORTION MAY HAVE BEEN RECEIVED.

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.