# SDR AALA2019100759001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 19, 2019
- Submitted: October 7, 2019
- Operation: Air carrier
- Aircraft: [N973AN](https://openairdocs.org/aircraft/N973AN), registered now
- Make and model: Boeing 737823
- Aircraft serial: 29548
- Aircraft time: 54,531 hours, 22,388 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Floor Support
- Part number: 141A5410U147
- Condition: Cracked
- Location: Bs 348-350
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA2019100759001

## Discrepancy

AIRCRAFT IN BASE MAINTENANCE: CRACKED INTERCOSTAL BETWEEN BS 348 AND BS 350 AT LBL 3. REPLACED INTERCOSTAL PER AARD 51-00-05-1.

---
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, except the copies of manufacturers’ service documents, which belong to their rights holders.