# SDR ASAA12511464

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 11, 2012
- Submitted: April 30, 2012
- Operation: Air carrier
- Aircraft: [N556AS](https://openairdocs.org/aircraft/N556AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35175
- Aircraft time: 22,786 hours, 7,259 cycles
- Engine: Cfmint CFM567B27
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Intercostal
- Part number: 141A5410U22
- Condition: Cracked
- Location: Bs 345
- 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/ASAA12511464

## Discrepancy

MAIN CABIN FLOOR STRUCTURE INTERCOSTAL CRACKED AT FASTENER HOLES STA 345, LBL 11.  ACFT GROUNDED.  REMOVED CRACKED INTERCOSTAL IAW SRM 51-40-02 LOCATED DRILLED AND DEBURRED NEW INTERCOSTAL IAW SRM 51-40-05, INSTALLED NEW INTERCOSTAL AT STA 345, LBL 11 IAW SRM 51-40-02.

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