What was found
FLT#1524, LAX-JFK. (ETOPS) 'RCVD AIR ENG 1 BLEED ABNORMAL PR ECAM ATTOP OF DESCENT - IDLE THRUST. THIS IS A REPEAT LOGBOOK WRITEUP THAT CONTINUES TO BE A " CND " AS ENG. RUNS ON THE GROUND AREN' T CAPTURING IDLE THRUST WITH A DESCENT. EVENTUALLY, YOU CAN'T ENTER ICING CONDITIONS IF NOT RESOLVED; PERFORMED COMPLETE BLEED HEALTH CHECK PROCEDURE ON ENG. # 1 FAV, OVP, PRV,BPS,& DPS ON ASSOCIATED T / C 'S ON WO1237920. ALL CHECKS PASSED EXCEPT 18HA1 DIFF. PRESS. TRANSDUCER ( DPS ) FAILED DURING THE HP PORTION OF THE TEST. VOLTAGE READINGS ARE OUT OF RANGE DURING NULL AND APPLIED PRESS SETTINGS. REMOVED AND REPLACED # 1 ENG DPS 18HA1 IAW AMM REF 36-11-18. ALSO, LEAK-CHECKED DPS SENSE LINES IAW AMM REF. 36-11-00-790-811. CHECKED GOOD. NO LEAKS WERE NOTED. PERFORMED EBAS SYS BITE TEST ON BMC 1 & 2 PER AMM 36-11-00-740-802-A. TESTS OK. NO FAULTS NOTED.'