What was found
PACK 1,2,3 ILLUMINATED DURING CRUISE ALL RESET WITH PACKS IN B MODE EICAS PACK 1,2,3 SIMULTANEOUSLY. PACKS NEVER TRIPPED OR CLOSED. RESET PACK 1,2,3 PERFORMED GROUND TEST ON ALL PTC A+B NO DEFECTS NOTED.
- Difficulty date
- October 21, 2011
- Submitted
- October 23, 2011
- Operation
- Air carrier
- Aircraft
- N263SG
- Make and model
- Boeing 747481
- Aircraft serial
- 29263
- Aircraft time
- 38,469 hours, 5,223 cycles
- System (JASC)
- 2150 · Cabin Cooling System
- Part
- Warning Light
- Condition
- False Activation
- Location
- A/C Pack
- Stage of operation
- CR
- How discovered
- O
- Nature of condition
- N
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.