# SDR UPS08851642

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 7, 2008
- Submitted: February 11, 2008
- Operation: Air carrier
- Aircraft: N702UP
- Make and model: Doug DC-8-71F
- Registry model: [Doug DC-8-71F](https://openairdocs.org/model/douglas-dc-8-71f) (OpenAirDocs)
- Aircraft serial: 45902
- Aircraft time: 68,725 hours, 26,121 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Cusp Web
- Part number: 9755804
- Condition: Cracked
- Location: Fs 275 L21r
- 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/UPS08851642

## Discrepancy

INSPECTION TYPE:C2 MAIN CABIN, L21R HAS HEAVY INTERGRANULAR CORROSION AND A 4 INCH CRACK INSIDE TORQUE BOX STA 275.  REPAIRED L21R CUSP CRACK AND CORROSION AT STA 210, 235 AND 275 IAW SRM 53-02-00 FIG 002, SRM 53-02-05 FIG 15 AND DWG 9755808.

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