What was found
SIN/JNB - FLT CI-091 - 8-7-96, AFTER FLIGHT OF 9 HOURS 20 MINUTES, FL 4,300 FEET, AFT CARGO FIRE WARNING LIGHT ILLUMINATED. BOTH FIRED BOTTLES DISCHARGED. BOTH FIRE BOTTLES CHANGED. NR 3 AND NR 4 SMOKE DETECTOR CHANGED. FIRE WARNING AMPLIFIER CHANGED. ALL FUNCTIONAL TESTS PASSED IAW MM 26-16-00.