Service difficulty report · Warning System · Boeing 737990ER
FAA SDR system
- Difficulty date
- January 16, 2019
- Submitted
- January 18, 2019
- Operation
- Air carrier
- Make and model
- Boeing 737990ER
- Aircraft serial
- 41704
- Aircraft time
- 20,791 hours, 6,808 cycles
- Part
- Warning System
- Condition
- False Activation
- Location
- Cockpit
- Stage of operation
- NR
- 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
LT PACK LIGHT ILLUMINATES WITH RECALL EXTINGUISHES WITH MASTER CAUTION RESET. GROUNDED - YES. BITE CHECKED NR 1 ZONE TEMP CONTROLLER REF FIM 21-62 TASK 801. PREV FLT FAULTS LT RAM AIR INLET ACT. PERF FIM 21-62 TASK 851. FAULT CLEARS & RAN MULTIPLE VERIFY TESTS SUCCESSFULLY. ETOPS GND VERIFICATION TEST SUCCESSFUL.