# SDR ASAA2019090930651

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 9, 2019
- Submitted: September 10, 2019
- Operation: Air carrier
- Aircraft: [N529AS](https://openairdocs.org/aircraft/N529AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35198
- Aircraft time: 36,592 hours, 10,920 cycles
- System (JASC): [3460 · Flight Management Computing Hardware System](https://openairdocs.org/jasc/3460)
- Part: Unknown
- Condition: Malfunctioned
- Location: Cockpit
- Stage of operation: CR
- How discovered: O
- Nature of condition: J
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2019090930651

## Discrepancy

INFLIGHT CA VTK APPEARED-FIXED ITSELF; GPS#2 SIGNAL LOST- NEVER REGAINED. F/O CLOCK INOP; MAIN ENTRY LT APPEARED TURN INTO GATE; F/O HEADSET JACK INOP IRS ON RECALL AFTER VTK. GROUNDED - YES. CYCLE AIRCRAFT POWER FOR SYS RESET. AFTER POWER BACKUP ALL SYS BACK TO NORMAL. PERFORMED FMCS BITE PROCEDURE PER FIM 34-61 TASK 801 FOUND NO FAULT FOR BOTH FMC. PERFORMED MAIN ENTRY DOOR OPS CHK PER AMM 52-11-00 ALL WORKS NML.PERFORMED F/O HEADSET OPS. CHECK PER AMM 23-50-00 ALL NML. AIRCRAFT OK FOR SERVICE.

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