Service difficulty report · Warning System · Boeing 737990ER
FAA SDR system
- Difficulty date
- June 22, 2019
- Submitted
- July 2, 2019
- Operation
- Air carrier
- Make and model
- Boeing 737990ER
- Aircraft serial
- 44107
- Aircraft time
- 14,961 hours, 4,903 cycles
- Part
- Warning System
- Condition
- False Activation
- Location
- Cockpit
- Stage of operation
- DE
- 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.
What was found
ON DESCENT AT RECALL THE RIGHT PACK LIGHT ON. PACK LIGHT EXTINGUISHES ON MASTER CAUTION RESET. GROUNDED - YES. ACCOMPLISHED HEAT EXCHANGER CLEANING T/C 78121000. ACCOMPLISHED BITE CHECK. NO FAULTS. PACK OPERATION NORMAL. ETOPS GROUND VERIFICATION GOOD.