# SDR UPS01235558

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 22, 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): [5711 · Wing Spar](https://openairdocs.org/jasc/5711)
- Part: Spar
- Condition: Damaged
- Location: Center Wing
- 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/UPS01235558

## Discrepancy

INSPECTION TYPE:C&SI SEVERAL RIVET HEADS POPPED ON THE CENTER SECTION REAR SPAR UPR CHORD  & VERT.  WEB AT LBL 37 LBL 17.  REPAIR CARRIED OUT IAW SRM 51-30-2 & SRM 51-30-01

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