Narrative:

Air carrier X climbing out of lax eastbound to trm. X was requested to expedite climb through FL180 to FL200, departure VFR traffic Y northbound at 1 O'clock, 5 mi at 16500 ft. Climbing through 15500 ft we got a TA and departure called the traffic at 1 O'clock at 1-2 mi. PF initiated a leveloff at 16000 ft. We got an RA with a pitch down command. PF complied with the RA until it canceled, then, on concurrence with departure, resumed climb to FL200. Traffic was never seen.

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Original NASA ASRS Text

Title: ACR X NON ADHERENCE TO ATC CLRNC TCASII RA WITH VFR ACFT Y STOPPED CLB TO ASSIGNED ALT. EVASIVE ACTION TAKEN.

Narrative: ACR X CLBING OUT OF LAX EBOUND TO TRM. X WAS REQUESTED TO EXPEDITE CLB THROUGH FL180 TO FL200, DEP VFR TFC Y NBOUND AT 1 O'CLOCK, 5 MI AT 16500 FT. CLBING THROUGH 15500 FT WE GOT A TA AND DEP CALLED THE TFC AT 1 O'CLOCK AT 1-2 MI. PF INITIATED A LEVELOFF AT 16000 FT. WE GOT AN RA WITH A PITCH DOWN COMMAND. PF COMPLIED WITH THE RA UNTIL IT CANCELED, THEN, ON CONCURRENCE WITH DEP, RESUMED CLB TO FL200. TFC WAS NEVER SEEN.

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.