# SDR SWAA2022092646264
- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 25, 2022
- Submitted: September 26, 2022
- Operation: Air carrier
- Aircraft: [N7878A](https://openairdocs.org/aircraft/N7878A), registered now
- Make and model: Boeing 737-7K9
- Registry model: [Boeing 737-7K9](https://openairdocs.org/model/boeing-737-7k9) (OpenAirDocs)
- Aircraft serial: 34320
- Aircraft time: 52,141 hours, 25,914 cycles
- System (JASC): [5320 ยท 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/SWAA2022092646264
## Discrepancy
CORROSION ON FWD CARGO BAY FLOOR TO SIDEWALL SUPPORT AT LBL 24 BS 500+5; BS 500+10; BS 500+14; BS 500A+2; BS 500A+10; BS 500A+18; BS 500B+2; BS 500B+6; BS 500B+18; BS 500C+6. / [01] VERIFIED APLICABILITY 53-30-53-01-2 FOR IDENTIFICATION AND 53-00-53-1A-2 FOR ALLOWABLE DAMAGE;[02] REMOVED CORROSION ON FWD CARGO BAY FLOOR TO SIDEWALL SUPPORT AT LBL 24 BS 500+10 EVALUATED AS FOLLOW L= 1'' W= .800' D= 0.020' ORIGINAL THICNESS 0.040' FOR BAC 1496-444
BLEND AREA FOUND TO BE OUT LIMITS IAW SRM 53-00-53-1A-2 STEP 4A
USED TOOL ID:ATS 401 S/N: UNKNOWN DUE: 10/2022;[03] VERIFIED ACTION #2;[04] RECEIVED; LOCATED AND DRILLED NEW FLOOR TO SIDEWALL SUPPORT LBL 24 TO FWD CARGO BAY P/N 143A7501-83 I.A.W SRM 51-40-05-0G-0 AND DWG 143A7500.;[05] TASK COMPLETED;[06] CORRECTION ITEM 1
VERIFIED APLICABILITY IAW SRM 53-30-53-01-2 FOR IDENTIFICATION
AND SRM 53-00-53-1A-2 FOR ALLOWABLE DAMAGE;[07] CORRECTION ITEM 5; ALL WORK COMPLETED;[08] CORRECTION STEP 4 :CORRECT PART NUMBER N/P 143A7501-183;[09] UPDATED PART P/N 143A7501-183;[10] UPDATE MEASUREMENT;[11] UPDATE MEASUREMENTS FIELD;[12] VERIFIED CORRECTIVE ACTION 4;6 AND THE MEASUREMENT TABLE.
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