# SDR ASAA2026091069377

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 10, 2026
- Submitted: October 20, 2026
- Operation: Air carrier
- Aircraft: [N564AS](https://openairdocs.org/aircraft/N564AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35103
- Aircraft time: 64,427 hours, 19,256 cycles
- System (JASC): [5345 · Fuselage, Equipment Attach Fittings](https://openairdocs.org/jasc/5345)
- Part: Floorbeam
- Part number: 141A5690U1
- 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/ASAA2026091069377

## Discrepancy

FORWARD LAVATORY INBD AFT MOUNT CORRODED STRUCTURE FS 300. GROUNDED - YES. REMOVED DAMAGE ON FWD WET AREA LAV MOUNT INTERCOSTAL, FOUND TO BE OUT OF LIMITS, REMOVE AND REPLACED LAV MOUNT INTERCOSTAL STA 291.5 - 312 LBL 11.5 IAW B737-800 SRM 51-40-02-0G-0 STEP 7 D. W:2" O:.163R:.114 L:1"D:.049.

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