As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
BOTTLE DISCHARGED ON THE ENGINE ILLUMINATED THEN WENT AWAY THEN PROCEED TO FLICKER AT CRUISED FLIGHT AND EXTINGUISHED DURING DESCENT. T/S IAW FIM 26-20-00-810-802. NO FAULTS NOTED. PERFORMED INSPECTION OF ENGINE FIRE EXTINGUISHING SYSTEM IAW B737 AMM 26- 21. FOUND ALL BOTTLE WITH PSIG LIMTS. PERFORMED ENG # 2 IDLE RUN IAW B737 AMM 71-00. (9114378) AIRCRAFT WAS GROUNDED