# SDR ASAA2026042165876

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 21, 2026
- Submitted: May 5, 2026
- Operation: Air carrier
- Aircraft: [N597AS](https://openairdocs.org/aircraft/N597AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35689
- Aircraft time: 64,005 hours, 19,483 cycles
- System (JASC): [5345 · Fuselage, Equipment Attach Fittings](https://openairdocs.org/jasc/5345)
- Part: Mount
- Part number: 147A56908
- 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/ASAA2026042165876

## Discrepancy

PASSENGER CABIN STA 916.5 LBL 51.55 DUAL FLOOR MOUNT ATTACHING INTERCOSTAL HAS CORROSION AROUND MOUNT. GROUNDED - YES. REMOVED AND REPLACED 147A5690-8 INTERCOSTAL IAW BAC DWG 147A5680 REV - AND B737-800 SRM 51-40-02. ALLOWABLE LIMITS IN SRM FOUND DEEMED OUT OF LIMITS.

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