# SDR SWAA2021011536958

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 15, 2020
- Submitted: January 15, 2021
- Operation: Air carrier
- Aircraft: [N7715E](https://openairdocs.org/aircraft/N7715E), registered now
- Make and model: Boeing 737-7BD
- Registry model: [Boeing 737-7BD](https://openairdocs.org/model/boeing-737-7bd) (OpenAirDocs)
- Aircraft serial: 33921
- Aircraft time: 51,070 hours, 26,608 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Floor Support
- Condition: Corroded
- Location: Aft Cargo
- 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/SWAA2021011536958

## Discrepancy

CORROSION, AFT CARGO COMPARTMENT LEFT SIDE FLOOR SUPPORT Z CHANNEL AT S-26L FROM STA 727C TO STA 807, MARKED DOT 60-006.  REMOVED CORROSION AT LT 'Z' CHANNEL, AFT CARGO COMPARTMENT FROM STA 727+10 TO STA 847.  FOUND OUT OF LIMITS, PER SRM 53-00-53-1A-2 AND FABRICATED NEW 'Z' CHANNEL SECTION FROM STA 727+10 YO STA 847.  INSTALLED PER REF SRM 51-40-02-0G-0 AND DRAWING 146A7500; AND 'Z' CHANNEL FROM STA 727E+10 TO STA 727C.  FOUND WITHIN LIMITS, PER SRM 53-00-53-1A-2 NEW CHANNEL SECTION INSTALLED USING EXISTING SPLICE REPAIR, PER SRM 53-00-53-2R-5.

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