As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS NOT GROUNDED: DURING ACCOMPLISHMENT OF EPSU TEST FOR PS CHECK, FOUND EPSU EXT LOAD FWD L FAULT. T/S IAW TSM 33-51-00-810-808-A. REMOVED AND REINSTALLED L1 SLIDE IAW AMM 25-62-44. REMOVED R1 SLIDE IAW AMM 25-62-44. TEMPORARILY CONNECTED SERVICEABLE SLIDE AT R1, FAULT CLEARED, INSTALLED SERVICEABLE SLIDE IAW AMM 25-62-44.PARTS CHANGE INDICATED - TT # 6449140 SN OFF M14357.