# SDR YENA201905240286

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 24, 2019
- Submitted: May 28, 2019
- Operation: Air carrier
- Aircraft: [N510JB](https://openairdocs.org/aircraft/N510JB), registered now
- Make and model: Airbus A320-232
- Registry model: [Airbus A320-232](https://openairdocs.org/model/airbus-a320-232) (OpenAirDocs)
- Aircraft serial: 1280
- Aircraft time: 73,924 hours, 27,464 cycles
- System (JASC): [2210 · Autopilot System](https://openairdocs.org/jasc/2210)
- Part: Unknown
- Condition: Malfunctioned
- Location: Autopilot Sys
- Part time: 51,473 hours, 18,251 cycles
- Stage of operation: CL
- How discovered: O
- Nature of condition: J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/YENA201905240286

## Discrepancy

FT # 2338, BUR-BOS. DIVERTED TO LGB. AFTER T/O WE GOT A NAV LS DISAGREE ECAM. SHORTLY AFTER THAT RECEIVED AUT FLT AUTO PILOT OFF AND AUTO FLT A/THRST OFF. LOST BOTH AUTOPILOTS AND ALL NAV INFO. PER MX CONTROL, RECYCLED CB B2 AND M17. DID NOT RESOLVE PROBLEM. FLEW MANUALLY REST OF FLIGHT; CHECK MMR 1 & 2 & EMGC 1 & 2 BITE CHECK. OPS NORMAL PERFORM APS TEST CHECK NORMAL PER TSM 22-83-00-810-808-A. PRECAUTIONARY R & R FMGC-2. BITE TEST GOOD. OK TO CONTINUE INS SVC.  UPON ARRIVAL FOUND NAV RAV SWITCH ON THE ON POSITION.

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