# SDR AALA202202275080

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 17, 2022
- Submitted: February 27, 2022
- Operation: Air carrier
- Aircraft: [N957AN](https://openairdocs.org/aircraft/N957AN), registered now
- Make and model: Boeing 737*
- Aircraft serial: 29541
- Aircraft time: 58,659 hours, 24,578 cycles
- System (JASC): [5330 · Fuselage Main, Plate/Skin](https://openairdocs.org/jasc/5330)
- Part: Skin
- Condition: Corroded
- Location: Zone 100 - Fuse
- 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/AALA202202275080

## Discrepancy

AIRCRAFT WAS GROUNDED: CORROSION OF SKIN AROUND WASTE TANK EXHAUST VENT BETWEEN STA 907 AND STA 927 BETWEEN STR 21L AND STR 22L. **SUPPLEMENTAL REPORT: ACCOMPLISHED PERMANENT REINFORCING DOUBLER REPAIR IAW SRM 53-70-01-2R AND EA334273.** (CLOSED)

---
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.
