# SDR AALA202505206594

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 25, 2025
- Submitted: May 20, 2025
- Operation: Air carrier
- Aircraft: [N928NN](https://openairdocs.org/aircraft/N928NN), registered now
- Make and model: Boeing 737823
- Aircraft serial: 31172
- Aircraft time: 34,598 hours, 14,986 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Web
- Part number: 147A571235
- 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/AALA202505206594

## Discrepancy

AIRCRAFT IN BASE MAINTENANCE: CORROSION ON PASSENGER CABIN FLOOR STRUCTURE WEB AT STA 986.5, FROM RBL 30 TO RBL 34. REPLACED WEB PER AARD 51-00-05-1.

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