What was found
EXISTING FAULT 33-11307 CLASS 07 DOOR 4 LH REMOTE WELS CONTROL UNIT BAT POWER DEGRADE REF TO HAECO NON-ROUTINE NO.9403739, ORIGI NATED BY EMP V903194, EA 3351-01311 REV A OP 001. UPDATE FOR LH DOOR 4 CLASS 07 BAT REPLACEMENT INFO. ROTABLE PARTS CHANGE WAS INDICATED - TT # 1848308 SN OFF 7707 IPC REFERENCE # 3351-01311 PERFORMED BY EMP V905459 AND IDT BY V903194 - REPLACED THE CLASS 07 DR 4 LH REMOTE WELS CONTROL UNIT BAT AND CONDITIONAL CHK ''NO RMAL'' AND FUNCTION TEST ''NORMAL'' REF AMM 33-51-07-02B-720A REV16 8.