# SDR USAA2012091800005

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 10, 2012
- Submitted: September 19, 2012
- Operation: Air carrier
- Aircraft: [N432US](https://openairdocs.org/aircraft/N432US), registered now
- Make and model: Boeing 737-4B7
- Registry model: [Boeing 737-4B7](https://openairdocs.org/model/boeing-737-4b7) (OpenAirDocs)
- Aircraft serial: 24554
- Aircraft time: 60,936 hours, 40,702 cycles
- System (JASC): [5414 · Nacelle/Pylon, Plate/Skin](https://openairdocs.org/jasc/5414)
- Part: Doubler
- Condition: Cracked
- Location: Nr 1 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/USAA2012091800005

## Discrepancy

Q6 CHECK - CRACK ON NR 1 PYLON BONDED DOUBLER AT OPENING TO ACCESS PANEL 5723L AT NAC STA 236.75, WL 127.13.  REPAIRED NR 1 PYLON BONDED DOUBLER AT OPENING TO ACCESS PANEL 5723L IAW B737 SRM 54-50-01-2R-2 FIG 201.

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