What was found
NOTE: CAPTAIN REPORT TO GOC & MOCC = EMERGENCY LANDING TO STN DUE TO THE LOSS OF THE CABIN PRESSURIZATION PDIS 910 21-30 8396 01DEC17 STN CABIN ALTITUDE WARNING @ FL280 QRH COMPLIED WITH. CABIN @10000 FEET. ACCOMPLISHED FIM FAULT TREE 802 FIG. 103- LOW INFLOW LIGHT ILLUMINATED ON CPC1 AND 2( BUT LH PACK INOP AND R/H ENGINE TAI VLVE PLACARDED INOP) ACCOMPLISHED GROUND IDLE ON R/H ENGINE AFTER TAI VLVE REPLACEMENT REF WRI 30-20/8386 RUN REMAINING PACK (RH) ON ENGINE BLEED REF AMM 36-11-00-5 AIR SUPPLY DISTRIBUTION TEST MINIMUM LOW IDLE BLEED AIR PRESS. PARAMETERS ARE WITHIN ACCEPTABLE LIMITS. PRECAUTIONARY RESEATED CPC 1 AND 2 REF AMM 21-31-02-4 ALL TESTS AND IND OK. A/C OK FOR SERVICE.