# SDR SWAA2022012809764

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 8, 2017
- Submitted: January 31, 2022
- Operation: Air carrier
- Aircraft: [N229WN](https://openairdocs.org/aircraft/N229WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 32498
- Aircraft time: 41,142 hours, 24,039 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Floorbeam
- Condition: Corroded
- Location: Aft Cargo Bay
- 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/SWAA2022012809764

## Discrepancy

AFT CARGO PIT FLOOR SUPPORT RAIL BEAM HAS CORROSION AT STA. 767 + 15 TO STA. 847 + 10 STR; 25R AS MARKED; / BLENDED CORROSION AND VERIFIED LIMITS AT AFT CARGO PIT FLOOR SUPPORT RAIL (TRACK) STA 767+15 TO 847+10 (ORIGINAL T: .080')(LOSS:.010')(REMAINING .070') OUT OF LIMITS IAW SRM 53-00-53-1A-2 STEP 4B(2) FIG 103 DETAIL D- REMOVED AND REPALCED AFT CARGO PIT FLOOR SUPPORT RAIL (TRACK) FROM STA. 779 TO 888 RBL 13 IAW EA 1-53-8210 REV 2 AND BOEING DWG #146A7500 REV B. TOOL ID# 36649 DUE: 04/05/18 TAG # QV0112

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