# SDR REXA2018060650448

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 20, 2018
- Submitted: June 6, 2018
- Operation: Air carrier
- Aircraft: [N8970D](https://openairdocs.org/aircraft/N8970D), registered now
- Make and model: Cndair CL6002B19
- Aircraft serial: 7970
- Aircraft time: 27,670 hours, 25,384 cycles
- System (JASC): [4910 · APU Cowling/Containment](https://openairdocs.org/jasc/4910)
- Part: Stiffener
- Part number: 601R971505
- Condition: Cracked
- Location: Apu Bay
- Stage of operation: IN
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/REXA2018060650448

## Discrepancy

INSIDE APU ENCLOSURE FORWARD LT STIFFENER WAS CRACKED AT TOP.  FABRICATED AND INSTALLED DOUBLER OF WELD CRACKS IAW EA CRJ249-07093.

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