# SDR SAJFCALS099015

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 10, 2010
- Submitted: August 9, 2010
- Operation: Air carrier
- Aircraft: [N18211](https://openairdocs.org/aircraft/N18211), registered now
- Make and model: Boeing 747409
- Aircraft serial: 33735
- Aircraft time: 27,748 hours, 3,816 cycles
- System (JASC): [5330 · Fuselage Main, Plate/Skin](https://openairdocs.org/jasc/5330)
- Part: Skin
- Condition: Corroded
- Location: Bs 1735 S-51l/R
- 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/SAJFCALS099015

## Discrepancy

DURING D01 CHECK, AFTER CARGO COMPARTMENT BILGE AREA SKIN FOUND CORROSION NEAR BS 1735 AND S51L-S51R. REINFORCE THE SKIN WITH 2024T3_0.125THK. IAW EO 744-53-00-0120 AND EO 744-53-00-120R1 WITH FAA 8100-9, CATEGROY B APPROVAL.

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