# SDR CALA2023103003233

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 26, 2023
- Submitted: October 30, 2023
- Operation: Air carrier
- Aircraft: [N24211](https://openairdocs.org/aircraft/N24211), registered now
- Make and model: Boeing 737824
- Aircraft serial: 28771
- Aircraft time: 76,623 hours, 27,913 cycles
- System (JASC): [5330 · Fuselage Main, Plate/Skin](https://openairdocs.org/jasc/5330)
- Part: Skin
- Part number: 146A32317
- Condition: Corroded
- Location: Aft Cargo Comp
- Stage of operation: IN
- How discovered: O
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2023103003233

## Discrepancy

B757-53-3-0785 AFT CARGO COMPARTMENT BILGE SKIN INTERNAL SURFACE IS CORRODED AT THE FUSELAGE DRAIN VALVE BETWEEN STA 727E AND 727F REF HAECO GSO NR 9284713 PERFORM AN INSPECTION PER PART 2 OF THE LATEST REVISION OF ECRA 5360-01740 ON OR BEFORE 50,000 TOTAL AIRCRAFT FLIGHT CYCLES

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