# SDR DALA1202436303

- 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/DALA1202436303

## Discrepancy

DURING ACCOMPLISHMENT OF WORK CARD 5331- 01190-03 STEP 3.A, FOUND FUSELAGE EXTERNAL SKIN WEAR.  STA 2603-STA 2606 S-3L. L=3" LOG PAGE ENTERED AND DEFERRED FOR SDR REPORTING.  PER B747-400 SRM 51-10-02 REMOVED WEAR AND HFEC INSPECTED PER B747-400 NDT 51-00-00 PART 6 AND ER/A 480424-14AD REV A.

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