# SDR DALA1202406303

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 16, 2012
- Submitted: February 1, 2012
- Operation: Air carrier
- Aircraft: N663US
- Make and model: Boeing 747451
- Aircraft serial: 23818
- Aircraft time: 95,626 hours, 12,445 cycles
- System (JASC): [5330 · Fuselage Main, Plate/Skin](https://openairdocs.org/jasc/5330)
- Part: Skin
- Condition: Worn
- 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/DALA1202406303

## Discrepancy

DURING ACCOMPLISHMENT OF WORK CARD 5331-01190-03 STEP 3.B, FOUND FUSELAGE EXTERNAL SKIN WEAR.  STA 2618-STA 2627 S-3R L=9" LOG PAGE ENTERED AND DEFERRED FOR SDR REPORTING.  PER SRM 747-400 51-10-02 REMOVED THE DAMAGE AND HFEC INSPECT PER 747-400 NDT 51-00-00 PART 6 AND ER/A 480424-14AD REV A ORIG MAT  0.050" DAMAGE DIM L 10" W 0.8" D 0.010".

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