# SDR ASAA2025062059615

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 20, 2025
- Submitted: July 23, 2025
- Operation: Air carrier
- Aircraft: [N644AS](https://openairdocs.org/aircraft/N644AS), registered now
- Make and model: Boeing 737790
- Aircraft serial: 30795
- Aircraft time: 65,130 hours, 35,671 cycles
- System (JASC): [5330 · Fuselage Main, Plate/Skin](https://openairdocs.org/jasc/5330)
- Part: Doubler
- Part number: 143A32334
- 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/ASAA2025062059615

## Discrepancy

FWD CARGO ANTENNA DOUBLER STA 500 TO 500A BETWEEN STR 28L AND 28R HAS CORROSION.  GROUNDED - YES. FWD CARGO ANTENNA DOUBLER STA 500-500A FOUND TO BE OUT OF LIMITS WITH 100% MATERIAL LOSS REMOVED AND REPLACED ANTENNA DOUBLER IAW B737-700 SRM 51-40-02-0G-0. W=3"  O=.040  R=.000  L=2"  D=.040

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