# SDR DALA2025110708108

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 6, 2025
- Submitted: November 7, 2025
- Operation: Air carrier
- Aircraft: [N877DN](https://openairdocs.org/aircraft/N877DN), registered now
- Make and model: Boeing 737932ER
- Aircraft serial: 31988
- Aircraft time: 25,799 hours, 9,855 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Intercostal
- 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/DALA2025110708108

## Discrepancy

(LOG 1291635) DRAIN TUBE INTERCOSTAL 947 AND 967 CORRODED RBL50. REMOVED AND REPLACED INTERCOSTAL BET STA 947 AND 967 IAW B737-900 SRM 51-40-02-0G.

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