What was found
AIRCRAFT WAS GROUNDED: APU BLOWING SMOKE INTO THE CABIN. MAINTENANCE REPLACED TH HEAT EXCHAMGER.
- Difficulty date
- May 31, 2024
- Submitted
- June 4, 2024
- Operation
- Air carrier
- Aircraft
- N777AN
- Make and model
- Boeing 777223
- Aircraft serial
- 29585
- System (JASC)
- 4900 · Airborne Auxiliary Power Unit (APU) System
- Part
- Heat Exchanger
- Part number
- 8102102
- Condition
- Inoperative
- Location
- Apu
- Stage of operation
- UK
- 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.