# SDR F3LA200500009

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 8, 2005
- Submitted: March 10, 2005
- Operation: Air carrier
- Aircraft: [N313FL](https://openairdocs.org/aircraft/N313FL), registered now
- Make and model: Boeing 737-3L9
- Registry model: [Boeing 737-3L9](https://openairdocs.org/model/boeing-737-3l9) (OpenAirDocs)
- Aircraft serial: 26442
- Aircraft time: 34,111 hours, 25,467 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Intercostal
- Condition: Corroded
- 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/F3LA200500009

## Discrepancy

DURING C-4 CHECK INSPECTION, REPORTED INTERCOSTAL AT BS 950, RBL 20 TO RBL 40, CORRODED.  FOUND TO BE OUT OF LIMITS PER SRM 53-60-51.  REPLACED INTERCOSTAL PER SRM 51-40-05, 51-40-02, AND 53-60-51.

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