# SDR CALA2025021400350

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 13, 2025
- Submitted: February 14, 2025
- Operation: Air carrier
- Aircraft: [N77518](https://openairdocs.org/aircraft/N77518), registered now
- Make and model: Boeing 737824
- Aircraft serial: 31605
- Aircraft time: 51,245 hours, 18,480 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Channel
- Part number: 143A7501187
- Condition: Corroded
- Location: Zone 100
- 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/CALA2025021400350

## Discrepancy

FWD CARGO COMP BETWEEN STA 500F-500I LBL 21" ZEE CHANNEL UPPER SURFACE CORROSION REF AAR N/R 9937320 REMOVED AND REPLACED FWD CARGO LH Z-CHANNEL FROMSTA 500D TO 500I PER SRM 51-40-02-0G-0 AND DWG 143A7500 WORK ACCOMPLISHED BY V939559 SFR NO. 1038394 CREATED BY U388960

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