# SDR J7SA2021100600297

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 4, 2021
- Submitted: October 6, 2021
- Operation: Air carrier
- Aircraft: [N407FX](https://openairdocs.org/aircraft/N407FX), registered now
- Make and model: Emb EMB-545
- Registry model: [EMB EMB-545](https://openairdocs.org/model/embraer-s-a-emb-545) (OpenAirDocs)
- Aircraft serial: 55010017
- Aircraft time: 4,725 hours, 3,079 cycles
- System (JASC): [3600 · Pneumatic System](https://openairdocs.org/jasc/3600)
- Part: None
- Condition: None
- Stage of operation: IN
- How discovered: V
- Nature of condition: J, O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/J7SA2021100600297

## Discrepancy

DURING FLIGHT PREPARATION, WITH APU ONLY RUNNING, GOT A "BLEED 2 LEAK" CAS MESSAGE. RESET SYSTEM, MESSAGE WENT AWAY MOMENTARILY, THEN CAME BACK IN ABOUT 5 MINUTES. LARGE AMOUNT OF AIR NOISE HEARD IN REAR BAGGAGE COMPARTMENT, WHICH STOPPED AT THE SAME TIME THE "BLEED 2 LEAK" MESSAGE RETURNED. DISCOVERED ENGINE / APU TUBE ASSY DUCT (P/N 550-18516-407) CRACKED. POSSIBLE HIDDEN FAILURE.

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