What was found
LOW DUCT PRESSURE WITH APU BLEED ON. ACFT GROUNDED. REMOVED AND REPLACED DELTA PRESSURE SENSOR AND TOTAL PRESSURE SENSOR IAW AMM 49-52-32 AND 49-52-33. OPS AND LEAK CHECKED NORMAL. APU OPERATED NORMAL.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
LOW DUCT PRESSURE WITH APU BLEED ON. ACFT GROUNDED. REMOVED AND REPLACED DELTA PRESSURE SENSOR AND TOTAL PRESSURE SENSOR IAW AMM 49-52-32 AND 49-52-33. OPS AND LEAK CHECKED NORMAL. APU OPERATED NORMAL.