# SDR SWAA2022063015195
- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 3, 2022
- Submitted: June 30, 2022
- Operation: Air carrier
- Aircraft: N7850B
- Make and model: Boeing 737-7Q8
- Registry model: [Boeing 737-7Q8](https://openairdocs.org/model/boeing-737-7q8) (OpenAirDocs)
- Aircraft serial: 28238
- Aircraft time: 59,194 hours, 39,098 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Support
- Condition: Corroded
- Location: Fwd Cargo
- 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/SWAA2022063015195
## Discrepancy
CORROSION ON FWD CARGO BAY FLOOR TO SIDEWALL SUPPORT AT RBL 24 BS 500A+10; BS 500A+14; BS 500B+6; BS 500B+10; BS 500B+18; BS 500C+10. / [01] SRM 53-00-53-1A-2 IS FOUND TO BE APPLICABLE FOR THIS REPAIR;[02] REMOVED CORROSION ON FCB FLOOR TO SIDEWALL SUPPORT RBL 24 BS 500A+10 L=1.6'XW=.7'XD=.002'; BS500A+14 L=1.7'XD=.9'XD=.001'; BS500B+6 L=1'XW=.7'XD=.003'; BS500B+10 L=1'XW=.9'XD=.002'; BS500B+18 L=.9'XW=.7'XD=.001'; BS500C L=1.1XW=.6'XD=.004'. FOUND TO BE IN LIMITS WITH REMAINING THICKNESS OF .036' OF ORIGINAL THICKNESS .040'. IAW SRM 53-30-53-0I-2 AND 53-00-53-1A-1.
DIAL DEPTH GAGE ID:ATS2473 S/N:UNKNOWN DUE: 07/2022;[03] VERIFIED;[04] REMOVED CORROSION ON FCB FLOOR TO SIDEWALL SUPPORT RBL 24 BS 500A+10 L=1.6'XW=.7'XD=.002'; BS500A+14 L=1.7'XD=.9'XD=.001'; BS500B+6 L=1'XW=.7'XD=.003'; BS500B+10 L=1'XW=.9'XD=.002'; BS500B+18 L=.9'XW=.7'XD=.001'; BS500C L=1.1XW=.6'XD=.006'. FOUND TO BE OUT OF LIMITS WITH REMAINING THICKNESS OF .034' OF ORIGINAL THICKNESS .040'. IAW SRM 53-30-53-0I-2 AND 53-00-53-1A-1.
DIAL DEPTH GAGE ID:ATS2473 S/N:UNKNOWN DUE: 07/2022;[07] FABRICATED REPLACMENT FCB R/H FLOOR TO SIDEWALL SUPPORT BS 500A-500D PER SRM 51-40-05-0G-0; SRM 51-40-08-0G-0; AND DWG 143A7501 OUT OF BAC1496-444#7075T62 LOT:1485395-1;[08] FABRICATED REPLACMENT FCB R/H FLOOR TO SIDEWALL SUPPORT BS 500A-500D PER SRM 51-40-05-0G-0; SRM 51-40-08-0G-0; AND DWG 143A7501 OUT OF BAC1496-444#7075T62 LOT:1485395-1
---
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, except the copies of manufacturers’ service documents, which belong to their rights holders.