As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
RT DUCT PRESSURE INDICATOR OSCILLATES W/ISOL VALVE CLOSED. NR 2 BLEED ON & PACK IN AUTO. MOST PROMINENT AT LOW POWER SETTINGS- NORMAL WHEN THRUST APPLIED. GROUNDED - YES. ACCOMPLISHED ALT PROC PER MPM CH 5 TABLE 3 ITEMS 1 AND 3. FOUND PC SENSE LINE FITTING ON HS REG LOOSE, REPLACED HS REG PER AMM 36-11-07 AND HS VALVE PER AMM 36-11-06. NO LEAKS NOTED. ACCOMPLISHED LOW POWER ENG RUN, NO DEFECTS NOTED. GROUND VERIFICATION SUCCESSFUL.