# SDR SWAA2022103158318

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 10, 2022
- Submitted: October 31, 2022
- Operation: Air carrier
- Aircraft: [N8507C](https://openairdocs.org/aircraft/N8507C), registered now
- Make and model: Boeing 737-8H4
- Registry model: [Boeing 737-8H4](https://openairdocs.org/model/boeing-737-8h4) (OpenAirDocs)
- Aircraft serial: 41531
- Aircraft time: 20,008 hours, 9,579 cycles
- System (JASC): [5330 · Fuselage Main, Plate/Skin](https://openairdocs.org/jasc/5330)
- Part: Plate
- Condition: Corroded
- Location: Zn 100 Fus Lower
- 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/SWAA2022103158318

## Discrepancy

AFT CARGO BAY L/H FLOOR TO SIDEWALL SUPPORT PLATE HAS CORROSION COMMON TO NUT PLATE HOLE BS767+3 LBL22 WL156 / [01] UPDATED MEASUREMENT TABLE FOR PICTURE OF CORROSION ATTACHED;[04] REMOVED DAMAGED SECTION OF FLOOR TO SIDEWALL SUPPORT AT BS 727E+10' TO 847 LBL22 WL 156 IAW SRM 53-00-53-2R-5 REP.5 AND EA M-22-153-01550.;[05] FABRICATED; LOCATED; DRILLED AND APPLIED CHEMICAL CONVERSION COATING AND PRIMER ON REPAIR PARTS AND REPAIR AREA AT NEW SECTION OF FLOOR TO SIDEWALL SUPPORT AT BS 727E+10' TO 847 LBL22 WL 156 IAW SRM 53-00-53-2R-5 REP.5 AND EA M-22-153-01550. REPAIR SPLICE 2EA LOCATED AT BS 727E+10' AND 747+7'; MATERIAL USED FOR REPAIR PARTS BAC1496-377 7075T62 LOT#1503760-1.;[06] VERIFIED CORRECTIVE ACTION 5;[07] OK TO INSTALL REQUEST.;[08] OKAY TO INSTALL NEW SIDEWALL SUPPORT GIVEN.;[09] INSTALLED REPAIR PARTS OF FLOOR TO SIDEWALL SUPPORT AT BS 727E+10' TO 847 LBL22 WL 156 IAW SRM 53-00-53-2R-5 REP.5 AND EA M-22-153-01550 AND DWG 146A7500. REPAIR SPLICE 2EA LOCATED AT BS 727E+10' AND 747+7'.;[10] THE DAMAGE WAS REPAIRED PER SRM 53-00-53-2R-5 (REPAIR 5) AND EA M-22-153-01550.;[11] VERIFIED CORRECTIVE ACTION STEPS 9 AND 10.;[12] TASK CARD COMPLETE.

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