# SDR DALA2017042403371

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 21, 2017
- Submitted: April 25, 2017
- Operation: Air carrier
- Aircraft: N667DN
- Make and model: Boeing 757232
- Aircraft serial: 25035
- Aircraft time: 83,846 hours, 38,346 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Floor Support
- Condition: Cracked
- Location: Bs 680-700
- 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/DALA2017042403371

## Discrepancy

R2 DOOR THRESHOLD INTERCOSTAL CORRODED AROUND FASTENER HOLES BS 680-700.  BLENDED OUT THE CORROSION IAW SRM 51-10-02. OUT OF LIMITS IAW SRM 53-00-04.  REMOVED DAMAGED FLOOR SUPPORT IAW SRM 51-40-02.  LOCATED & DRILLED IAW DRAWING 143N5400, REV G.  TREATED, PRIMED, AND TOP COATED THE SUPPORT IAW AMM PROCEDURES. INSTALLED THE SUPPORT IAW DRAWING 143N5400, REV G, AND SRM 51-40-02, PARA 4.

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