# SDR UPS02439577

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 3, 2002
- Submitted: October 4, 2002
- Operation: Air carrier
- Aircraft: N683UP
- Make and model: Boeing 747121
- Aircraft serial: 20353
- Aircraft time: 81,157 hours, 20,074 cycles
- System (JASC): [5330 · Fuselage Main, Plate/Skin](https://openairdocs.org/jasc/5330)
- Part: Skin
- Condition: Cracked
- Location: Fuselage
- 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/UPS02439577

## Discrepancy

INSPECTION TYPE:C CRACK FOUND AT AFT CARGO DOOR CUTOUT FWD UPPER CORNER MOST AFT REMOVED FASTENER HOLE, TWO CRACKS FOUND ON SKIN OUTER SURFACE WITH LENGTH 1/16" AND 3/32" APPROX AT 1 AND 7 O'CLOCK RESPECTIVELY. (BS 1810, WL 199)     AFT CARGO DOOR CUT-OUT FWD UPPER CRACKED SKIN REPAIRED AS PER SRM 53-30-03 FIG. 62 DETAIL II. REPEAT INSPECTION IS REQUIRED AS PER SRM  53-30-03 FIG 62 TABLE III CATEGORY 'B' REPAIR.

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