# SDR UPS97421980

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 28, 1997
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: [N671UP](https://openairdocs.org/aircraft/N671UP), registered now
- Make and model: Boeing 747123
- Aircraft serial: 20323
- System (JASC): [5311 · Fuselage Main, Frame](https://openairdocs.org/jasc/5311)
- Part: Frame
- Condition: Cracked
- Location: Bs 1520
- Stage of operation: IN
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UPS97421980

## Discrepancy

INSPECTION TYPE:  C.  FOUND CRACK IN FRAME INNER FLANGE AT END OF LEG OF SIDE GUIDE ATT. BRACKET, AT BS.1520, BETWEEN S-40/39LT.  STOP DRILLED CRACK AND REPAIRED FRAME INNER CHORD ACC. SRM 53-10-04, FIG. 66.

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