# SDR SWAA2026061511911

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 12, 2026
- Submitted: July 22, 2026
- Operation: Air carrier
- Aircraft: [N437WN](https://openairdocs.org/aircraft/N437WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 29832
- Aircraft time: 75,834 hours, 45,230 cycles
- System (JASC): [4940 · APU Start/Ignition System](https://openairdocs.org/jasc/4940)
- Part: Starter Gen
- Condition: Failed
- Location: Zone 100
- Stage of operation: TX
- How discovered: O
- Nature of condition: B
- Precautionary procedure: D
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SWAA2026061511911

## Discrepancy

DURING PUSH,  AFTER ENGINE START, AUDIBLE POP, POWER LOSS, & SMOKE ODOR IN COCKPIT & AFT GALLEY.   CREW REPORTED ACFT WAS STILL ON APU GEN AT THE TIME OF POWER LOSS. INSPECTED APU GENERATOR AND FOUND DAMAGE & MELTED PLASTIC AT TERMINAL BOX.  R & R APU STARTER GENERATOR IAW AMM 49-41-21. OPS CHKD GOOD. ACFT OK FOR SERVICE.

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