# SDR IPXA2026032502376

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 25, 2026
- Submitted: April 22, 2026
- Operation: Air carrier
- Aircraft: [N135UP](https://openairdocs.org/aircraft/N135UP), registered now
- Make and model: Airbus A300 F4-622R
- Registry model: [Airbus A300 F4-622R](https://openairdocs.org/model/airbus-a300-f4-622r) (OpenAirDocs)
- Aircraft serial: 0818
- Aircraft time: 28,185 hours, 17,379 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Housing
- Part number: A5397355400400
- Condition: Corroded
- Location: Zone 100
- 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/IPXA2026032502376

## Discrepancy

LOWER FUSELAGE-ANTENNA RADIO RECEPTION 2 (4SA2)HAS CORROSION IN INSIDE AROUND DOME NUTS-109-VWV.  INSTALLED NEW COVER MOUNT (HOUSING, ANTENNA) IAW A300 SRM 51-40-21-001. PAR. 6. REINSTALLED RADIO ALTIMETER ANTENNA FIN # 4SA2 P/N: DMPN3-3/A, S/N: 50029 IAW A300-600 AMM 34-42-11/401. REVIEWED

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