What was found
PASSING THRU 10,000 FT LOSS IRU ON CAPT SIDE (LEFT), RETURNED TO DTW. REMOVED AND REPLACED NR 1 IRU, ALL CHECKS GOOD IAW RJ-85 MM CH 34. P/N ON&OFF HG2001BC02, S/N OFF 97120734, S/N ON 97110762.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
PASSING THRU 10,000 FT LOSS IRU ON CAPT SIDE (LEFT), RETURNED TO DTW. REMOVED AND REPLACED NR 1 IRU, ALL CHECKS GOOD IAW RJ-85 MM CH 34. P/N ON&OFF HG2001BC02, S/N OFF 97120734, S/N ON 97110762.