# SDR KCSA091037

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 4, 2009
- Submitted: May 4, 2009
- Operation: Air carrier
- Aircraft: N748CK
- Make and model: Boeing 747221F
- Aircraft serial: 21744
- Aircraft time: 107,956 hours, 24,162 cycles
- System (JASC): [5312 · Fuselage Main, Bulkhead](https://openairdocs.org/jasc/5312)
- Part: Bulkhead
- Condition: Corroded
- 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/KCSA091037

## Discrepancy

LT WING LANDING GEAR WHEEL WELL FWD CANTED PRESSURE DECK UPPER CHORD CORRODED AT BS 1265 BETWEEN LBL 70 AND LT O/B END.

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