Approach controller unauthorized descent of atx X. Operational deviation.

Attributes
ACN	145250
Time
Date	199005
Day	Sun
Local Time Of Day	0601 To 1200
Place
Locale Reference	atc facility : sea
State Reference	WA
Altitude	msl bound lower : 5900 msl bound upper : 5900
Environment
Flight Conditions	IMC
Light	Daylight
Aircraft 1
Controlling Facilities	tracon : sea artcc : zme
Operator	common carrier : air taxi
Make Model Name	Light Transport, Low Wing, 2 Turboprop Eng
Flight Phase	descent other
Route In Use	enroute : on vectors
Flight Plan	IFR
Person 1
Affiliation	government : faa
Function	controller : handoff position
Qualification	controller : radar
Experience	controller radar : 15
ASRS Report	145250
Person 2
Affiliation	company : air taxi
Function	flight crew : captain oversight : pic
Qualification	pilot : atp
ASRS Report	145250
Events
Anomaly	non adherence : published procedure other anomaly other
Independent Detector	other controllera
Resolutory Action	none taken : anomaly accepted
Consequence	Other
Supplementary
Primary Problem	ATC Human Performance
Air Traffic Incident	Intra Facility Coordination Failure Operational Deviation

Narrative:

Pointed atx X out to departure controller and he approved 6000'. Handed off aircraft to final controller. Final controller said to descend to 4000'. Descended aircraft to 4000'. Departure controller not informed of descent.

Original NASA ASRS Text

Title: APCH CTLR UNAUTH DESCENT OF ATX X. OPERATIONAL DEVIATION.

Narrative: POINTED ATX X OUT TO DEP CTLR AND HE APPROVED 6000'. HANDED OFF ACFT TO FINAL CTLR. FINAL CTLR SAID TO DSND TO 4000'. DSNDED ACFT TO 4000'. DEP CTLR NOT INFORMED OF DSNT.

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.