B767-200 flight crew fails to make a turn upon intercept of radial on arrival. Heading deviation.

Attributes
ACN	331050
Time
Date	199603
Day	Wed
Local Time Of Day	1201 To 1800
Place
Locale Reference	atc facility : phl
State Reference	PA
Altitude	msl bound lower : 14000 msl bound upper : 14000
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Controlling Facilities	artcc : zdc
Operator	common carrier : air carrier
Make Model Name	B767-200
Operating Under FAR Part	Part 121
Navigation In Use	Other Other
Flight Phase	descent other
Route In Use	arrival other arrival star : star
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	flight crew : first officer
Qualification	pilot : atp
Experience	flight time last 90 days : 150 flight time total : 8500 flight time type : 600
ASRS Report	331050
Person 2
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Qualification	pilot : atp
Events
Anomaly	aircraft equipment problem : less severe non adherence : clearance non adherence : published procedure other spatial deviation
Independent Detector	other controllera
Resolutory Action	flight crew : returned to intended course or assigned course other
Consequence	Other
Supplementary
Primary Problem	Flight Crew Human Performance
Air Traffic Incident	Pilot Deviation

Narrative:

On descent to phl we were cleared the vcng arrival to phl. Aircraft was on autoplt and LNAV was on. Aircraft failed to make turn to intercept radial into vcn. Aircraft went 3 NM off course ATC informed us. Aircraft was returned to course by heading select. No conflict with any aircraft. FMC had erased arrival route.

Original NASA ASRS Text

Title: B767-200 FLC FAILS TO MAKE A TURN UPON INTERCEPT OF RADIAL ON ARR. HDG DEV.

Narrative: ON DSCNT TO PHL WE WERE CLRED THE VCNG ARR TO PHL. ACFT WAS ON AUTOPLT AND LNAV WAS ON. ACFT FAILED TO MAKE TURN TO INTERCEPT RADIAL INTO VCN. ACFT WENT 3 NM OFF COURSE ATC INFORMED US. ACFT WAS RETURNED TO COURSE BY HDG SELECT. NO CONFLICT WITH ANY ACFT. FMC HAD ERASED ARR RTE.

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.