# SDR CALA2017082802915

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 28, 2017
- Submitted: August 28, 2017
- Operation: Air carrier
- Aircraft: [N19117](https://openairdocs.org/aircraft/N19117), registered now
- Make and model: Boeing 757224
- Aircraft serial: 27559
- Aircraft time: 87,324 hours, 18,348 cycles
- System (JASC): [5313 · Fuselage Main, Longeron/Stringer](https://openairdocs.org/jasc/5313)
- Part: Stringer
- Part number: 146N3110693
- 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/CALA2017082802915

## Discrepancy

AFT LAV SERVICE PAN CUT OUT STRINGER 29R BS 1680-1700 IS CORRODED AND HAS DOUBLE DRILL HOLES : REMOVED AND REPLACED STR 29R BS 1620-1720 IAW SRM 51-40-02 PAR 4 AND 7. NO ALLOWABLE LIMITS FOR DOUBLE DRILLED HOLES AND REQUIRED REPLACEMENT IAW SRM 51-10-02 PAR 9 PER 19-5310-1-2688.

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