What was found
NR 1 IDG FILTER DELTA P POPPED, FOUND DURING PDC. ACFT GROUNDED. IAW MM OPENED CB P6-4 GEN DISC NR 1, R & R FILTER AS FOLLOWS, ACCOMPLISHED AMM 24-11-41-200-801, NO METAL FRAGMENTS. DPI DECAL, SCRATCHED OFF NR 2 ON DECAL. NO LEAKS FOUND ON IDLE RUN.