# SDR DALA2026072104275

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 20, 2026
- Submitted: July 22, 2026
- Operation: Air carrier
- Aircraft: [N327DN](https://openairdocs.org/aircraft/N327DN), registered now
- Make and model: Airbus A321-213
- Registry model: [Airbus A321-213](https://openairdocs.org/model/airbus-a321-213) (OpenAirDocs)
- Aircraft serial: 7777
- Aircraft time: 27,756 hours, 12,263 cycles
- System (JASC): [4940 · APU Start/Ignition System](https://openairdocs.org/jasc/4940)
- Part: Exciter
- Condition: Faulted
- Location: Apu
- 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/DALA2026072104275

## Discrepancy

DIVERSION, DISPATCHED WITH RT IDG ON MEL, APU AUTO SHUTDOWN IN CRUISE AT FL330. RESTART ATTEMPTS NO HELP. DIVERTED TO JAX. REPLACED ECU. NO HELP. REPLACED EXCITER, LEAD AND IGNITER PLUG. CHECKS OK. REPLACED #2 ENGINE IDG. (LP 8739534 - AIRCRAFT WAS GROUNDED)

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