# SDR CALA2026092119596

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 17, 2026
- Submitted: September 21, 2026
- Operation: Air carrier
- Aircraft: [N438UA](https://openairdocs.org/aircraft/N438UA), registered now
- Make and model: Airbus A320-232
- Registry model: [Airbus A320-232](https://openairdocs.org/model/airbus-a320-232) (OpenAirDocs)
- Aircraft serial: 678
- Aircraft time: 83,892 hours, 35,489 cycles
- Engine: Iae V2527A5
- Engine time: 6,863 hours, 3,480 cycles
- System (JASC): [3442 · Weather Radar System](https://openairdocs.org/jasc/3442)
- Part: Transceiver
- Part number: 066500080409
- Part serial: 10065
- Condition: Faulted
- Location: Zone 100
- Part time: 20,193 hours, 10,045 cycles
- Stage of operation: LD
- How discovered: O
- Nature of condition: B
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2026092119596

## Discrepancy

ELECTRICAL BURNING ODOR AFTER LANDINGPICTURE UPDATE. BRIEFED FLIGHT CREW. CREW STATED A BURNING ODOR WAS PRESENT IN FLIGHT DECK, AND WAS NOTIEABLE UPON ENTERING THE COCKPIT. CAPT ALSO REPORTED HEARING A CRACKLING/POPPING NOISE NEAR THE LT INSTRUMENT PANEL.   VISUALLY INSPECTED ELECTRICAL CONTACTORS INSIDE PANELS BEHIND FO SEAT.  NO BURNING, ARCING, OR PHYSICAL DAMAGE FOUND.  VISUALLY INSPECTED CAPT INSTRUMENT PANEL 301VU, NO DEFECTS FOUND. SINCE THE WXR TRANSCEIVER IS DIRECTLY UNDER CAPT SEAT IN FWD E&E BAY AND FAULT MESSAGE RELATED TO WXR TRANSCEIVER IN PFR.   PRECAUTIONARY REPLACED WXR TRANSCEIVER FOR POTENTIAL ELECTRICAL.   DAMAGE THAT COULD CAUSE THE ELECTRICAL BURNING ODOR REF AMM 34-41-33-400-003-A, WXR RADAR BITE TEST GOOD IAW AMM 34-41-00-740-002-A. SUGGEST RUNNING ENGINES TO DUPLICATE PROBLEM IN ORDER TO TROUBLESHOOT.   ACCOMPLISHED ENGINE RUNS BOTH CONFIGURED WITH PACKS RUNNING OFF ENGINE BLEEDS, NO ABNORMAL ODORS NOTED, ALL ENGINE INDICATION NORMAL. NO ABNORMAL CRACKLING FROM RADIOS OR COCKPIT NOTICED.

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