# SDR AALA201906069002

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 5, 2019
- Submitted: June 6, 2019
- Operation: Air carrier
- Aircraft: [N819NN](https://openairdocs.org/aircraft/N819NN), registered now
- Make and model: Boeing 737823
- Aircraft serial: 31083
- Aircraft time: 29,909 hours, 11,986 cycles
- System (JASC): [3160 · Central Display](https://openairdocs.org/jasc/3160)
- Part: Warning Light
- Condition: No Indication
- Location: Te Flaps
- Stage of operation: CL
- How discovered: O
- Nature of condition: P
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA201906069002

## Discrepancy

AIRCRAFT WAS GROUNDED: PILOT REPORTS ON TAKEOFF, AFTER ROTATION, FLAPS 1 AND FLAPS UP BUGS DISAPPEARED FROM BOTH PFDS WITH VERIFY GW MESSAGES IN SCRATCHPAD. GW WAS MANUALLY INPUT PRIOR TO T/O. MAINTENANCE ACCOMPLISHED PSEU BITE TEST IAW MM 32-09-10. FOUND FAULT CODE 31-55008. ACCOMPLISHED FIM 3-51-00-810-809. OPS CHECKED NORMAL . NO FAULT NOTED.

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