Air carrier medium large transport cleared to cross lamma intersection 12000 ft. Captain, PF, distracted by communication with cabin attendant failed to begin descent in time to make crossing. Controller advised to do the best possible. Same reporter acn 363253.

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Attributes
ACN	363260
Time
Date	199703
Day	Wed
Local Time Of Day	1801 To 2400
Place
Locale Reference	atc facility : omn
State Reference	FL
Altitude	msl bound lower : 12000 msl bound upper : 24000
Environment
Flight Conditions	VMC
Light	Night
Aircraft 1
Controlling Facilities	artcc : zjx
Operator	common carrier : air carrier
Make Model Name	Commercial Fixed Wing
Operating Under FAR Part	Part 121
Flight Phase	cruise other descent other
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Qualification	pilot : cfi pilot : atp
Experience	flight time last 90 days : 150 flight time total : 14000 flight time type : 9000
ASRS Report	363260
Person 2
Affiliation	company : air carrier
Function	flight crew : first officer
Qualification	pilot : atp
Experience	flight time last 90 days : 150 flight time total : 11000 flight time type : 2000
ASRS Report	363256
Events
Anomaly	altitude deviation : crossing restriction not met non adherence : clearance non adherence : far non adherence : published procedure
Independent Detector	other flight crewa
Resolutory Action	controller : issued new clearance
Consequence	Other
Supplementary
Primary Problem	Flight Crew Human Performance
Air Traffic Incident	Pilot Deviation

Narrative:

During cruise, center issued instructions to cross lamma intersection at 12000 ft. A flight attendant entered the cockpit and later an interphone call from the flight attendant diverted my attention from starting the descent timely. I initiated the descent using idle power and speed brakes deployed for the maximum rate of descent. As soon as it was apparent I could not make the crossing restr, I instructed the first officer to advise center. Center then asked the (our) rate of descent and what altitude we thought we could cross the intersection. At this point I was very busy attempting to make the crossing restr and I informed the controller for the second time we could not make the restr but would take a 90 degree vector off course or whatever the controller wanted us to do. The controller responded with 'do the best that you can do.' after passing the intersection, the controller handed us off to another frequency.

Original NASA ASRS Text

Title: ACR MLG CLRED TO CROSS LAMMA INTXN 12000 FT. CAPT, PF, DISTRACTED BY COM WITH CABIN ATTENDANT FAILED TO BEGIN DSCNT IN TIME TO MAKE XING. CTLR ADVISED TO DO THE BEST POSSIBLE. SAME RPTR ACN 363253.

Narrative: DURING CRUISE, CTR ISSUED INSTRUCTIONS TO CROSS LAMMA INTXN AT 12000 FT. A FLT ATTENDANT ENTERED THE COCKPIT AND LATER AN INTERPHONE CALL FROM THE FLT ATTENDANT DIVERTED MY ATTN FROM STARTING THE DSCNT TIMELY. I INITIATED THE DSCNT USING IDLE PWR AND SPD BRAKES DEPLOYED FOR THE MAX RATE OF DSCNT. AS SOON AS IT WAS APPARENT I COULD NOT MAKE THE XING RESTR, I INSTRUCTED THE FO TO ADVISE CTR. CTR THEN ASKED THE (OUR) RATE OF DSCNT AND WHAT ALT WE THOUGHT WE COULD CROSS THE INTXN. AT THIS POINT I WAS VERY BUSY ATTEMPTING TO MAKE THE XING RESTR AND I INFORMED THE CTLR FOR THE SECOND TIME WE COULD NOT MAKE THE RESTR BUT WOULD TAKE A 90 DEG VECTOR OFF COURSE OR WHATEVER THE CTLR WANTED US TO DO. THE CTLR RESPONDED WITH 'DO THE BEST THAT YOU CAN DO.' AFTER PASSING THE INTXN, THE CTLR HANDED US OFF TO ANOTHER FREQ.

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.