# SDR DALA2026041702439

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 15, 2026
- Submitted: April 17, 2026
- Operation: Air carrier
- Aircraft: [N336NW](https://openairdocs.org/aircraft/N336NW), registered now
- Make and model: Airbus A320-212
- Registry model: [Airbus A320-212](https://openairdocs.org/model/airbus-industrie-a320-212) (OpenAirDocs)
- Aircraft serial: 355
- Aircraft time: 96,919 hours, 44,931 cycles
- System (JASC): [5315 · Fuselage Main, Floor Beam](https://openairdocs.org/jasc/5315)
- Part: Floorbeam
- 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/DALA2026041702439

## Discrepancy

CORROSION FLOORBEAM BTW Y1292 TO Y 1162.5 AND FR 66 TO FR 68 AT AFT GALLEY AREA (SSI 534147).  REPLACED FLOORBEAM AND FASTENERS LOC Y1292 TO Y1162.5 BETWEEN FR66 TO FR68 FLOOR STRUCTURE AFT GALLEY AREA AS PER A320 SRM 51- 42-11, A320 SRM 51-72-11 AND DWG D53472000 RELEASE DATE 06-JAN- 03 ISSUE AF. MEASURE OF CORROSION IS: L: 1.850 INCH, W: 1.540 INCH, D: 0.035 INCH. SEE INDIVIDUAL SIGN-OFF ORNRC 71/260. RII INSPECTION COMPLETE. (LP: 1546149) AIRCRAFT WAS GROUNDED

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.
