Service difficulty report · Warning System · Boeing 737990ER
FAA SDR system
- Difficulty date
- April 2, 2020
- Submitted
- April 6, 2020
- Operation
- Air carrier
- Make and model
- Boeing 737990ER
- Aircraft serial
- 41735
- Aircraft time
- 22,540 hours, 7,255 cycles
- Part
- Warning System
- Condition
- False Activation
- Location
- Cockpit
- Stage of operation
- CL
- 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
DURING CLIMB RIGHT PACK LIGHT ILLUMINATED. EXTINGUISHED WITH MASTER CAUTION RESET. ACCOMPLISHED QRH 2.12 PACK (800/900) CHECKLIST. GROUNDED - YES. C/W B737-900 FIM 21-53 TASK 806 INITIAL EVAL. RT PACK OPS NORMAL. INTERMITTENT FAULT. C/W CONTROLLER BITE CHECK, #2 CONTROLLER SHOWS TCV FAULT. RESET FAULT OPS NORMAL.