# SDR SWAA2013022513078

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 15, 2013
- Submitted: February 26, 2013
- Operation: Air carrier
- Aircraft: N521SW
- Make and model: Boeing 737-5H4
- Registry model: [Boeing 737-5H4](https://openairdocs.org/model/boeing-737-5h4) (OpenAirDocs)
- Aircraft serial: 25320
- Aircraft time: 66,203 hours, 61,830 cycles
- System (JASC): [5420 · Nacelle/Pylon Miscellaneous Structure](https://openairdocs.org/jasc/5420)
- Part: Rub Strip
- Part number: 311A100
- Condition: Cracked
- Location: Lt Pylon
- 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/SWAA2013022513078

## Discrepancy

CRACK ON RUBSTRIP INBOARD POSITION LOCATED ON UPPER PYLON SIDE STRUCTURE AT NAC STA 196.840 INTERNAL CAVITY OF PYLON ACCESS PANEL 5747L ENGINE NR 1.  REPLACED RUBSTRIP IAW B737-500 SRM AND DRAWING.

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