What was found
DM # 52399 (APU PUMP CAU MSG). REMOVED AND REPLACED APU FUEL PUMP PRESSURE SWITCH IAW AMM 28-42-10, OPS CHECK GOOD, OK FOR SVC, THIS CLEARS DM.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
DM # 52399 (APU PUMP CAU MSG). REMOVED AND REPLACED APU FUEL PUMP PRESSURE SWITCH IAW AMM 28-42-10, OPS CHECK GOOD, OK FOR SVC, THIS CLEARS DM.