# SDR DALA2019110306400

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 2, 2019
- Submitted: November 5, 2019
- Operation: Air carrier
- Aircraft: [N717TW](https://openairdocs.org/aircraft/N717TW), registered now
- Make and model: Boeing 757231
- Aircraft serial: 28485
- Aircraft time: 74,628 hours, 18,831 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Channel
- 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/DALA2019110306400

## Discrepancy

(AIRCRAFT 6812, L/P 1342843) CORROSION ON CHANNEL BTW STA 345 AND 365 RBL 62 , AT PASSENGER CABIN FLOOR STRUCTURE (CPAX). CORRECTIVE ACTION: SUMMARY OF NRC00411 CORROSION LEVEL 2; FOR EXCESSIVE CORROSION ON CHANNEL BTW STA 345 AND 365 RBL 62, AT PASSENGER CABIN FLOOR STRUCTURE WAS REPLACED PER B757-200 SRM 51-40-02 PAR.7 AND DWG141N5160-79 REV.CD.

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