- Difficulty date
- June 14, 2019
- Submitted
- June 17, 2019
- Operation
- Air carrier
- Make and model
- Boeing 737990ER
- Aircraft serial
- 36362
- Aircraft time
- 19,873 hours, 6,610 cycles
- Part
- Lead
- Condition
- Failed
- Location
- Apu Ignition
- Part time
- 2,961 hours, 5,754 cycles
- Stage of operation
- LD
- How discovered
- O
- Nature of condition
- J
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON LANDING STARTED APU GOT FAULT LIGHT REATTEMPTED PER CHECKLIST AND GOT FAULT LIGHT SECOND TIME. GROUNDED - YES. REMOVED AND REPLACED APU IGNITER PLUG REF B737-900 AMM 49-41-51. REMOVED AND REPLACED IGNITION LEAD REF AMM 49-41-52. REMOVED AND REPLACED IGNITION EXCITER UNIT REF AMM 49-41-31. ACCOMPLISHED APU START AND OPERATION REF 49-11-00. SYS CHK NML.