# SDR ASAA2018101526538

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 15, 2018
- Submitted: October 22, 2018
- Operation: Air carrier
- Aircraft: [N423AS](https://openairdocs.org/aircraft/N423AS), registered now
- Make and model: Boeing 737990ER
- Aircraft serial: 35206
- Aircraft time: 21,888 hours, 7,230 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Intercostal
- Part number: 141A5410148
- Condition: Cracked
- Location: Fuselage
- 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/ASAA2018101526538

## Discrepancy

MAIN CABIN, FORWARD WET AREA, MACHINED INTERCOSTAL AT BS344-BS360 LBL 11.10, WL 208.1 CRACKED ON UPPER FLANGE. GROUNDED - YES. REMOVED AND REPLACED INTERCOSTAL IAW SRM 51-40-02 AND DRAWING 141A5400 REV- SHEET 94.

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