# SDR CALA2026092519809

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 23, 2026
- Submitted: September 25, 2026
- Operation: Air carrier
- Aircraft: [N16703](https://openairdocs.org/aircraft/N16703), registered now
- Make and model: Boeing 737724
- Aircraft serial: 28764
- Aircraft time: 85,798 hours, 31,915 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Intercostal
- Part number: 141A850514
- Condition: Corroded
- Location: Zone 200
- 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/CALA2026092519809

## Discrepancy

CORROSION ON FWD ACCESS DOOR INSTERCOSTAL BTW STA 196.5 TO 203.8 AND RBL 6.   REMOVED AND REPLACED INTERCOSTAL ON FWD ACCESS DOOR BTW STA 196.5 TO 203.8 AND RBL 6 IAW DWG: 141A3501 REV. D, B737-700 SRM 51-40-02-0G-0 STEP 4 AND 7.D.

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