What was found
ETOPS SIGNIFICANT EVENT AIR RETURN. LEFT PACK TEMP, FLIGHT DECK TEMP AND CABIN ALT WARNING EICAS MESSAGES. PERFORMED BITE TEST OF PACK TEMP AND CABIN PRESSURE CONTROLLERS, NO FAULTS FOUND. AIRCRAFT RETURNED TO SERVICE.
- Difficulty date
- September 4, 2026
- Submitted
- September 9, 2026
- Operation
- Air carrier
- Aircraft
- N688SL
- Make and model
- Boeing 757230
- Aircraft serial
- 25140
- Aircraft time
- 10,779 hours, 27,520 cycles
- System (JASC)
- 2150 · Cabin Cooling System
- Part
- Warning Message
- Condition
- Illuminated
- Location
- Pack Temp
- Stage of operation
- CL
- How discovered
- O
- Nature of condition
- J
- Precautionary procedure
- A
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.