What was found
LEFT ENGINE WOULD NOT SPOOL UP DURING APPROACH. WHEN THROTTLE WAS ADVANCED, ENGINE WOULD NOT START, COMPRESSOR STALLED. EMERGENCY DECLARED. LANDED WITH ENGINE AT IDLE POWER. SERVICED FUEL CONTROL UNIT WITH 6 ML OF SILICON OIL IAW P&W JT8D-11 MM 73-21-01. LUBRICATED PRBC IAW JT8D MM 75-30-00. RAN ENGINE AND BLEED, SCHEDULING CHECKED NORMAL. NR 1 ENGINE ACCELERATION MATCHED NR 2 ENGINE. NOTE: PROBLEM REPEATED ON SYSTEM OPS DATE OF 9-23-05. ON L/P 32844-82/1&2, DELAY REPORT 14782, REPLACED NR 1 ENGINE.