# SDR U5QA202603240170

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 25, 2026
- Submitted: March 26, 2026
- Operation: Air carrier
- Aircraft: [N358VJ](https://openairdocs.org/aircraft/N358VJ), registered now
- Make and model: Bombdr BD1001A10
- Aircraft serial: 20890
- Aircraft time: 4,309 hours, 2,193 cycles
- System (JASC): [2120 · Air Distribution System](https://openairdocs.org/jasc/2120)
- Part: Unknown
- Condition: Odor
- Location: Cabin
- Stage of operation: TX
- 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/U5QA202603240170

## Discrepancy

SUSPECTED BURNING SMELL.  MX C/A: PERFORM A GENERAL VISUAL INSPECTION OF THE #2 CDU AND ALL FOUR ADF’S FOR VISIBLE DAMAGE AND SECURITY. PROVIDED PROTECTION TO #1 PDU GROUND TERMINAL. RAN ENG FOR 10 MINUTES. RAN APU AND HAD COCKPIT AVIONIC UNITS POWER UP FOR 1 HOUR NO SIGNS OF ELECTRICAL SMELL AT THIS TIME ON GROUND. PERFORM AN OPERATIONAL CHECK OF THE #1 CDU PER AMM 34-61-05-710-801. COMPLIED WITH AQRD ENGINEERING ERO-989061 PROCEDURES. OPEN AND INSTALL A CIRCUIT BREAKER COLLAR ON C/B A4 CDU #2 (DISABLING THE SYS, R&R CDU W/IN 20 DAYS).

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