# SDR ASAA2026062467061

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 24, 2026
- Submitted: July 1, 2026
- Operation: Air carrier
- Aircraft: [N947AK](https://openairdocs.org/aircraft/N947AK), registered now
- Make and model: Boeing 737-9
- Registry model: [Boeing 737-9](https://openairdocs.org/model/boeing-737-9) (OpenAirDocs)
- Aircraft serial: 67506
- Aircraft time: 10,798 hours, 3,073 cycles
- System (JASC): [5330 · Fuselage Main, Plate/Skin](https://openairdocs.org/jasc/5330)
- Part: Skin
- Part number: 147A3110
- Condition: Corroded
- Location: Zone 100
- 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/ASAA2026062467061

## Discrepancy

VACUUM WASTE EXHAUST PORT ON LT SIDE ABOUT 11 INCHES FWD OF STA 927 HAS EVDIENCE OF CORROSION ON AIRCRAFT SKIN JUST BELOW HOLE. GROUNDED - YES. REMOVED DAMAGE AND CHECKED LIMITS ORIGINAL MAT .125, MAT. REMOVED .005, REMAINING MAT.120 FOUND TO BE WITHIN LIMITS IAW B737-9 SRM 53-70-01-0I-1, SRM 53-00-01-1A-1. APPLIED ALODINE IAW B737-MAX9 SRM 51-20-01. APPLIED PRIMER IAW BOEING SOPM 20-44-04. APPLIED TOPCOAT IAW AMM 51-21-99/701.

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