# SDR SWAA2024080503706

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 20, 2024
- Submitted: August 5, 2024
- Operation: Air carrier
- Aircraft: [N481WN](https://openairdocs.org/aircraft/N481WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 29853
- Aircraft time: 66,500 hours, 39,674 cycles
- System (JASC): [5330 · Fuselage Main, Plate/Skin](https://openairdocs.org/jasc/5330)
- Part: Skin
- 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/SWAA2024080503706

## Discrepancy

CUSTOMER REQUEST-CORROSION PIT IN FUSELAGE SKIN BY FASTENER HOLE BS 907 S-25L. 8-16<[01] REMOVED CORROSION AT FUSELAGE SKIN BY FASTENER HOLE BS 907 S-25L FOUND TO BE WITHIN LIMITS PER REF SRM 53-00-01-1A-1; REMOVED AND INSTALLED NEW FASTENER; TREATED; PRIMED AND TOPCOAT AREA PER REF SRM 51-40-02-0G-0; AMM 51-21-41-370-803 ;AMM 51-21-72-370-804 AND AMM 51-21-73-370-803;[02] CORRECTINGT STEP 1: REMOVED CORROSION AT FUSELAGE SKIN BY FASTNER HOLE BS 907 S-25L FOUND TO BE WITHIN LIMITS PER REF SRM 53-00-01-1A-1; REMOVED AND INSTALLED NEW FASTENER; TREATED; PRIMED AND TOPCOAT AREA PER REF SRM 51-40-02-0G-0; AMM 51-21-41-370-803 ;AMM 51-21-72-370-804 AND AMM 51-21-73-370-803;[03] VERIFIED STEP 2<BR>AUDIT PER MPM 52-02-02

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