What was found
APU RELIABILITY COLD START FAILED ON FLT LEG BWI-PDX SAT -42 FL 400. UNSUCCESSFUL 3RD ATTEMPT. (<P>PERFORMED BITE CHECK OF APU PER AMM 49-00-00. NO FAULTS NOTED. APU START SUCCESSFUL 1ST ATTEMPT ON GROUND.<BR /></P>)
- Difficulty date
- July 25, 2019
- Submitted
- July 26, 2019
- Operation
- Air carrier
- Aircraft
- N1487A
- Make and model
- Boeing 76731K
- Aircraft serial
- 28865
- Aircraft time
- 85,545 hours, 17,294 cycles
- System (JASC)
- 4940 · APU Start/Ignition System
- Part
- Unknown
- Condition
- Malfunctioned
- Location
- Apu
- Stage of operation
- CR
- How discovered
- O
- Nature of condition
- O
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.