# SDR UIEA2019083005348

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 28, 2019
- Submitted: August 31, 2019
- Operation: Air carrier
- Aircraft: [N480MC](https://openairdocs.org/aircraft/N480MC), registered now
- Make and model: Boeing 747422
- Aircraft serial: 28812
- Aircraft time: 75,274 hours, 8,388 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Floor Support
- Condition: Corroded
- Location: Bs 920-940
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UIEA2019083005348

## Discrepancy

M/D STA 920-940, LBL 40, FLOOR SUPPORT FOUND CORRODED.  CABIN STA 920-940, LBL 40, FLOOR SUPPORT CORROSION REMOVE AND RE-PROTECTED AS PER SRM 51-10-12 AND SRM 51-20-01. BLEND OUT DEPTH 0.007", ORG 0.100", WIDTH 1", LENGTH 7" WITHIN SRM 53-00-51 ALLOWABLE DAMAGE 1 FIG 101 LIMIT.</P>)

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