# SDR UPS01235575

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 27, 2001
- Submitted: April 13, 2001
- Operation: Air carrier
- Aircraft: [N926UP](https://openairdocs.org/aircraft/N926UP), registered now
- Make and model: Boeing 727-31C
- Registry model: [Boeing 727-31C](https://openairdocs.org/model/boeing-727-31c) (OpenAirDocs)
- Aircraft serial: 19233
- Aircraft time: 50,160 hours, 37,219 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Stiffener
- Condition: Cracked
- Location: Bulkhead
- 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/UPS01235575

## Discrepancy

INSPECTION TYPE: C & SI,  SUSPECT CRACK IN RTH OB VERTICAL STIFFENER AFT PRESSURE BULKHEAD.  REPAIR CARRIED OUT IAW UPS EO B727-5310-1109-E & UPS DRG. 66C33724

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