# SDR SWAA2022122178247

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 3, 2022
- Submitted: December 21, 2022
- Operation: Air carrier
- Aircraft: [N7742B](https://openairdocs.org/aircraft/N7742B), registered now
- Make and model: Boeing 737-7BD
- Registry model: [Boeing 737-7BD](https://openairdocs.org/model/boeing-737-7bd) (OpenAirDocs)
- Aircraft serial: 33928
- Aircraft time: 51,537 hours, 27,573 cycles
- System (JASC): [5246 · Fluid Service Doors](https://openairdocs.org/jasc/5246)
- Part: Panel
- Condition: Corroded
- Location: Zn 100 Fus Lower
- 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/SWAA2022122178247

## Discrepancy

WASTE TANK DOOR 145AL FOUND CORROSION AT BONDING JUMPER TERMINAL CONNECTION<[01] REMOVED WASTE TANK SERVICE PANEL AS PER AMM 52-49-07-000-801.;[02] VERIFIED STEP 1. OK TO INSTALL NEW WASTE TANK SERVICE PNL 145AL.;[03] INSTALLED NEW WASTE TANK SERVICE PANEL 145AL; AS PER AMM 52-49-07-400-801.;[04] APPLIED TOPCOAT AT NEW DOOR AS PER AMM 51-21-73.;[05] VERIFIED STEPS 3 AND 4

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