As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
NR 1 ENG FIRE LIGHT ILLUM ON LAND ALONG WITH BELL AND MASTER FIRE LIGHT ENG FIRE CKLIST ACCOMP. REMOVED AND REPLACED NR 1 FIRE DETECTION CONTROL UNIT. TEST GOOD PER 727 MM 26-11-001-5. INSP FIRE LOOPS NO DAMAGE NOTED. FOUND BLD AIR LINE LOOSE AT VALVE. TIGHTENED LINE PER SMP.