What was found
APU EXHAUST SHOOTING SPARKS, SMOKE ODOR IN CABIN/COCKPIT. FOUND MANY TURBINE BLADES TORN AND BENT ALONG THE AFT TIPS. APU WAS DEFERRED ON L/P 848721 ITEM 2.
- Difficulty date
- July 11, 2026
- Submitted
- July 13, 2026
- Operation
- Air carrier
- Aircraft
- N831SY
- Make and model
- Boeing 73783N
- Aircraft serial
- 28249
- Aircraft time
- 70,630 hours, 31,646 cycles
- System (JASC)
- 4920 · APU Core Engine
- Part
- Apu
- Condition
- Failed
- Location
- Zone 100
- Stage of operation
- NR
- How discovered
- O
- Nature of condition
- B
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.