# SDR CALA2013102200766

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 20, 2013
- Submitted: October 22, 2013
- Operation: Air carrier
- Aircraft: [N75851](https://openairdocs.org/aircraft/N75851), registered now
- Make and model: Boeing 757324
- Aircraft serial: 32810
- Aircraft time: 38,198 hours, 13,252 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Channel
- Part number: 146N80161
- 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/CALA2013102200766

## Discrepancy

B757-53-3-0531 CORROSION ON L4 DOOR LOWER SEAL ATTACH CHANNEL AT L4 DOOR THRESHOLD BS 1657, LBL 63, WL 208.  R & R L4 DOOR LOWER SEAL ATTACH CHANNEL AT L4 DOOR THRESHOLD BS 1657, LBL 63 WL 208 IAW B757-300 SRM 51-40-02 PAR 7D FIG 12.  NO ALLOWABLE LIMITS FOR ATTACH CHANNEL, PART REQUIRED REPLACEMENT.

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