# SDR SWAA2021091312195

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 26, 2021
- Submitted: September 13, 2021
- Operation: Air carrier
- Aircraft: [N966WN](https://openairdocs.org/aircraft/N966WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 36966
- Aircraft time: 32,714 hours, 19,999 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Support
- Part number: 146A750251
- Condition: Corroded
- Location: Aft Cargo Bay
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SWAA2021091312195

## Discrepancy

ACB FLOOR TO SIDEWALL SUPPORT CORROSION. BS747+14.5; RBL22; WL151 ; / [01] REMOVED CORROSION ON ACB FLOOR TO SIDEWALL SUPPORT AT BS 747+14.5'; RBL 22; WL 151 ; WORK AREA 1.0'X 1.0' X 0.012' ; REMAINING THICKNESS IS 0.028 ; ORIGINAL THICKNESS IS 0.040; FOUND TO BE OUT OF LIMITS IAW 53-00-53-1A-2 USING DEPTH GAGE ID: ATS2472; S/N UNKNOWN ;DUE 06/2022 ; PART TO BE REPAIRED BY REPLACEMENT BY CUSTOMER CARD NBR:TTG8Q006A3FD; [02] VERIFIED REMOVED CORROSION ON ACB FLOOR TO SIDEWALL SUPPORT AT BS 747+14.5'; RBL 22; WL 151 ; WORK AREA 1.0'X 1.0' X 0.012' ; REMAINING THICKNESS IS 0.028 ; ORIGINAL THICKNESS IS 0.040; FOUND TO BE OUT OF LIMITS IAW 53-00-53-1A-2 USING DEPTH GAGE ID: ATS2472; S/N UNKNOWN ;DUE 06/2022 ; PART TO BE REPAIRED BY REPLACEMENT BY CUSTOMER CARD NBR:TTG8Q006A3FD

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