# SDR SWAA2020093010477

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 22, 2020
- Submitted: September 30, 2020
- Operation: Air carrier
- Aircraft: N560WN
- Make and model: Boeing 737790
- Aircraft serial: 30542
- Aircraft time: 65,400 hours, 31,679 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Channel
- Part number: 141A5210
- Condition: Corroded
- Location: Bs 259-270
- 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/SWAA2020093010477

## Discrepancy

CORROSION, FLIGHT DECK FLOOR STRUCTURE UNDER PANEL 211AF WITH CORROSION ON UPPER SURFACE OF INTERCOSTAL SUPPORT CHANNEL AT BL-0 FROM BS 259.5 TO BS 270.  REMOVED AND REPLACED INTERCOSTAL SUPPORT CHANNEL AT FLIGHT DECK FLOOR UNDER PANEL NR 211AF BL-0 FROM BS 259.5 TO BS 270, PER REF B737-700 SRM 51-40-02-0G-0; B737-700 SRM 51-40-05-0G-0 AND DWG 141A5210.

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