# SDR SWAA2021040643507

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 20, 2020
- Submitted: April 6, 2021
- Operation: Air carrier
- Aircraft: [N8652B](https://openairdocs.org/aircraft/N8652B), registered now
- Make and model: Boeing 737-8H4
- Registry model: [Boeing 737-8H4](https://openairdocs.org/model/boeing-737-8h4) (OpenAirDocs)
- Aircraft serial: 36971
- Aircraft time: 19,834 hours, 8,653 cycles
- System (JASC): [5321 · Fuselage Floor Panel](https://openairdocs.org/jasc/5321)
- Part: Floor Panel
- Condition: Popped
- Location: Cabin
- 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/SWAA2021040643507

## Discrepancy

FLOOR CENTER AISLE MAKES POPPING NOISE FROM ROW 15 TO 17.REPETITIVE INSPECTION ACTION: PERFORM GENERAL VISUAL EXAMINATION OF THE PANET TO ENSURE PANEL IS FREE OF DEFECTS (CRACKS;DENTS;PUNCTURES ETC) IF DEFECTS ARE NOTED CONTACT SERVICE ENGINEERING. INSPECTION THRESHOLD 100 FLIGHT CYCLES; REINSPECTION INTERVAL 100 FLIGHT CYCLES. PERMANENT REPAIR LIMIT ACTION REQUIRED: PERFORM PERMANENT REPAIR BY REPLACING PANEL OR RECTIFY PER AMM 53-21-00/401. PERMANENT REPAIR TIME LIMIT: 250 FLIGHT CYCLES PER EA 1-A53-31403 & REPAIR-53EA-04959PERMANENT ACTION REQUIRED / REMOVE AND INSTALL NEW FLOOR PANEL IAW AMM 53-21-00

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.