# SDR SWAA2022041233410

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 7, 2019
- Submitted: April 13, 2022
- Operation: Air carrier
- Aircraft: [N8306H](https://openairdocs.org/aircraft/N8306H), registered now
- Make and model: Boeing 737-8H4
- Registry model: [Boeing 737-8H4](https://openairdocs.org/model/boeing-737-8h4) (OpenAirDocs)
- Aircraft serial: 36983
- Aircraft time: 26,834 hours, 11,654 cycles
- System (JASC): [5322 · Fuselage Internal Mounting Structure](https://openairdocs.org/jasc/5322)
- Part: Support
- Condition: Corroded
- Location: Cabin Floor
- Stage of operation: IN
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SWAA2022041233410

## Discrepancy

PASSENGER CABIN. STA 947+2; LBL 50; WL 208; LONGITUDINAL FLOOR SUPPORT HAS CORROSION ON UPPER SURFACE RUNNING UNDER LAV MOUNT. / BLENDED CORROSION ON ON LONGITUDINAL FLOOR SUPPORT STA 947-2' LBL 50' ORIGINAL .220; REMAINING .157; LOSS OF .063' FOUND OUT OF LIMITS IAW SRM 53-70-51-1A-1. REMOVED AND REPLACED FLOOR SUPPORT IAW SRM 51-40-02-0G-0 AND DWG 147A 5650 REV. A. RESTORED CIC TO AREA IAW AMM 51-21-91-620-802 PNL 147A5660421 ATAG: HI 1390

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