# SDR YENA201810220705

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 22, 2018
- Submitted: October 26, 2018
- Operation: Air carrier
- Aircraft: [N621JB](https://openairdocs.org/aircraft/N621JB), registered now
- Make and model: Airbus A320-232
- Registry model: [Airbus A320-232](https://openairdocs.org/model/airbus-a320-232) (OpenAirDocs)
- Aircraft serial: 2491
- Aircraft time: 53,380 hours, 18,902 cycles
- System (JASC): [5347 · Fuselage, Seat/Cargo Attach Fittings](https://openairdocs.org/jasc/5347)
- Part: Seat Track
- Condition: Corroded
- Location: Fuselage
- 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/YENA201810220705

## Discrepancy

DURING HEAVY MAINTENANCE, CORROSION WAS DISCOVERED ON FLOOR STRUCTURE, SEAT TRACK Y765, FR 62 +8.00", STR 23L. CORROSION MEAS. 3.90"L X .772"W X .063" D. MATERIAL LOSS = 29%; CORROSION THAT IS BEYOND ALLOWABLE LIMITS, PER SRM 53-41-15-283-001 ON SEAT TRACK Y765, FR 62, STGR23L. REMOVED AND REPLACED NOTED FLOOR TRACK PER SRM 51-72-11, SRM 51-42-11 AND DWG D53472770.

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