# SDR CALA2019032900480

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 26, 2019
- Submitted: March 29, 2019
- Operation: Air carrier
- Aircraft: [N17233](https://openairdocs.org/aircraft/N17233), registered now
- Make and model: Boeing 737824
- Aircraft serial: 28943
- Aircraft time: 63,695 hours, 22,735 cycles
- System (JASC): [4950 · APU Bleed Air System](https://openairdocs.org/jasc/4950)
- Part: Duct
- Part number: 212A261113
- Condition: Cracked
- Location: Apu
- 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/CALA2019032900480

## Discrepancy

APU BLEED DUCT LEAK FWD WALL OF AFT PIT. CAUSED HEAT DAMAGE TO ISOLATION AND A BURN ODOR REPORTED BY CREW.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.