# SDR UPS06847547

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 14, 2006
- Submitted: August 4, 2006
- Operation: Air carrier
- Aircraft: N894UP
- Make and model: Doug DC-8-73F
- Registry model: [Doug DC-8-73F](https://openairdocs.org/model/douglas-dc-8-73f) (OpenAirDocs)
- Aircraft serial: 46094
- Aircraft time: 77,074 hours, 24,643 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Cusp Web
- Condition: Cracked
- Location: Fs 370-470 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/UPS06847547

## Discrepancy

INSPECTION TYPE:C1 CUSP CORRODED AT STA 440 L21R AND POSSIBLE CRACK.  HFEC INSP FOUND 1 INCH CRACK.  CUT OUT DAMAGED AREA OF CUSP AT STA 370 - 479 IAW SRM 53-02-05-0 FIG 015A.  INSTALLED CUSP SEGMENT AT STA 370 - 470 L21R IAW SRM 53-02-05-0 FIG 015.

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