What was found
PRIOR TO ENGINE START BOTH DUCT PRESSURES FLUCTUATE BETWEEN 15 AND 20 PSI (<P>PERFORMED OPS CHECK OF PNEUMATIC SYS IAW AMM 49-52-00 OPS CHECKED GOOD 35 PSI STEADY WITH NO PACKS RUNNING OPS CK GOOD </P>)
- Difficulty date
- November 19, 2018
- Submitted
- November 21, 2018
- Operation
- Air carrier
- Aircraft
- N1427A
- Make and model
- Boeing 767306
- Aircraft serial
- 28098
- Aircraft time
- 77,960 hours, 16,463 cycles
- System (JASC)
- 4950 · APU Bleed Air System
- Part
- Warning Message
- Condition
- False Activation
- Location
- Duct Pressure
- Stage of operation
- TX
- How discovered
- O
- Nature of condition
- N
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.