# SDR UPS04242738

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 2, 2004
- Submitted: July 23, 2004
- Operation: Air carrier
- Aircraft: N947UP
- Make and model: Boeing 727-25C
- Registry model: [Boeing 727-25C](https://openairdocs.org/model/boeing-727-25c) (OpenAirDocs)
- Aircraft serial: 19722
- Aircraft time: 64,253 hours, 47,110 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Web
- Condition: Cracked
- Location: Torque Box
- 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/UPS04242738

## Discrepancy

INSPECTION TYPE:C, CRACK EVIDENT AT LIGHTENING HOLE IN THE AFT ENTRY STAIRS AREA.  CRACK LOCATED AT B-STA 1263 APPROX, LEFT SIDE OF TORQUE BOX VERTICAL WEB JUST OUTSIDE DOUBLER OF PREVIOUS REPAIR.  CRACK STOP DRILLED PER SRM 51-10-1.  HFEC INSPECTION CARRIED OUT AROUND STOP DRILL HOLE IAW B727 NDT M 51-00-00 FIG K.  RESULT WAS THE CRACK WAS CONTAINED WITHIN STOP DRILL.  AREA TRIMMED OUT WITHIN LIMITS IAW SRM 51-10-1.  REMOVED DOUBLER FROM PREVIOUS REPAIR AND REPAIRED LIGHTENING HOLE IAW SRM 51-40-2.

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