As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFTER START, THE NR 1 PACK LIGHT ILLUMINATED ON RECALL. THE NR 1 PACK LIGHT GOES OUT WITH MASTER CAUTION RESET. ACFT GROUNDED. PERFORMED FIM 21-53 TASK 803, NO FAULTS FOUND, INDICATES INTERMITTENT FAULT. PERFORMED BITE CHECK IAW FIM 21-62 TASK 801 B.(1) - INDICATION GOOD. RESET BITE IAW STEP 801 B.(1)(G)(4) AND (I).