# SDR DALA1036445519

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 21, 2010
- Submitted: December 23, 2010
- Operation: Air carrier
- Aircraft: N519US
- Make and model: Boeing 757251
- Aircraft serial: 23207
- Aircraft time: 74,471 hours, 30,609 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Channel
- Condition: Corroded
- Location: Bs 1500 S28-29l
- Stage of operation: IN
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DALA1036445519

## Discrepancy

DURING M-CHECK, FOUND AFT CARGO BS 1500, S28L TO S29L 2 EA CHANNELS ATTACHED TO FLOOR SUPPORT HAS CORROSION.  REMOVED CHANNEL SUPPORT IAW SRM 51-42-02.  LOCATED AND DRILLED CHANNEL SUPPORT IAW SRM 51-40-05.  TREATED AND PRIMED IAW SRM 51-20-01.  INSTALLED CHANNEL SUPPORT IAW SRM 51-40-02.

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