As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
NR 1 ENGINE COMPRESSOR STALL CAUSED BY CLEAR AIR TURBULENCE - MOUNTAIN WAVE. ACCOMPLISHED BOROSCOPE OF COMPRESSOR SECTION OF ENGINE-RESULTS NORMAL, ACCOMPLISHED TEST OF 7TH AND 10TH STAGE SOLENOID AND POTS AND FOUND 10TH STAGE POT FAILING-REPLACED 10TH STAGE POT. NO REPEATS SINCE ORIGINAL.