# SDR CALA2026052816607

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 24, 2026
- Submitted: May 28, 2026
- Operation: Air carrier
- Aircraft: [N78001](https://openairdocs.org/aircraft/N78001), registered now
- Make and model: Boeing 777224
- Aircraft serial: 27577
- Aircraft time: 126,886 hours, 13,184 cycles
- System (JASC): [3442 · Weather Radar System](https://openairdocs.org/jasc/3442)
- Part: Transceiver
- Part number: 6225132633
- Part serial: 9612
- Condition: Faulted
- Location: Wx Radar
- Part time: 91,873 hours, 10,506 cycles
- Stage of operation: CR
- 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/CALA2026052816607

## Discrepancy

STATUS MSG WXR SYS. RT WXR RADER INOP. REMAINING WEATHER RADAR SYSTEM OPERATES NORMALLY. REQUESTING MEL 3443B PER TOMC REQUEST. RIGHT WX RADAR (MX 3189124)  - MEL 3443B ITEM DEFERRED PER 3443B.   RT TRANSCEIVER REPLACED. REPLACED RT WRX TRANSCEIVER. LRU REPLACMENT TEST AND OPS CHECK OK. NO STATUS MSG FOUND, IAW AMM 34-43-02-400-801.

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