# SDR 2008UALA02257

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 16, 2008
- Submitted: April 21, 2008
- Operation: Air carrier
- Aircraft: N312UA
- Make and model: Boeing 737322
- Aircraft serial: 23673
- Aircraft time: 58,388 hours, 32,094 cycles
- Engine: Ge CFM56*
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Sill
- Condition: Cracked
- Location: Aft Cargo Door
- 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/2008UALA02257

## Discrepancy

AFT CARGO DOOR SILL PLATE HAS 2 CRACKS FIRST CRACK IS ONE INCH LONG, 28 INCHES FROM FWD EDGE.  SECOND CRACK IS .750 LONG FOUR INCHES BEHIND FIRST CRACK.  REMOVED CRACKED SILL BULLNOSE AND REPAIRED.

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