# SDR UPS05444404

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 23, 2005
- Submitted: May 2, 2005
- Operation: Air carrier
- Aircraft: N523UP
- Make and model: Boeing 747283B
- Aircraft serial: 22381
- Aircraft time: 74,408 hours, 15,331 cycles
- System (JASC): [5330 · Fuselage Main, Plate/Skin](https://openairdocs.org/jasc/5330)
- Part: Skin
- Condition: Chafed
- Location: Fuselage
- 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/UPS05444404

## Discrepancy

EXTERIOR SKIN CHAFING MARK FOUND ABOVE STR 12L BS 2230.  CHAFED AREA 0.016 INCH BY 3 INCH BY 1 INCH.  SKIN REPAIRED AT BS 2220 TO BS 2240 BETWEEN S11L TO S12L AREA AS PER SRM 53-30-03 FIG 17 WITH ZERO TIMING AT CRITICAL ROW FASTENER CAT B REPAIR REPEAT INSP AT 15000 FLT CYC.

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