As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON APPROACH LT THROTTLE RESPONSE WAS VERY SLOW COMPARED TO RT SIDE. BOTH PACKS SHUT DOWN MULTIPLE TIMES DUE TO RT ENG SPOOLING UP FASTER DURING ALL OTHER PHASES OF FLIGHT. LT THRUST LEVER STAYED ABOUT 1 - 1.5 KNOB WIDTHS AHEAD OF RT SIDE FOR EQUAL ENGINE OUTPUT. R & R 1 FUEL CONTROL UNIT IAW TC R0907301. COMPLETED UP TO STEP 4B1. PERFORMED ENG TRIM IAW A0707101. OPERATIONS CHECKED NORMAL & PERFORMED M739 RUN FORM.