# SDR ASAA2023050343260

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 3, 2023
- Submitted: May 19, 2023
- Operation: Air carrier
- Aircraft: [N275AK](https://openairdocs.org/aircraft/N275AK), registered now
- Make and model: Boeing 737-900ER
- Registry model: [Boeing 737-900ER](https://openairdocs.org/model/boeing-737-900er) (OpenAirDocs)
- Aircraft serial: 61556
- Aircraft time: 20,133 hours, 6,483 cycles
- System (JASC): [5330 · Fuselage Main, Plate/Skin](https://openairdocs.org/jasc/5330)
- Part: Skin
- Part number: 148A359521
- Condition: Gouged
- 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/ASAA2023050343260

## Discrepancy

LATE FIND, MISSED ON PRIMARY. FUSELAGE SKIN ABOVE R/H HORZ ROOT@ BLADE SEAL TRACK IS HAS GOUGE. GROUNDED - YES. EVALUATED DAMAGE ON FUSELAGE SKIN @ STA 1145 ABOVE R/H HORZ ROOT.ORIGINAL THICKNESS .100,MAT REMOVED .060,MAT REMAINING .040.FOUND TO BE OUT OF LIMITS IAW B737-900 SRM 53-00-01-1A-1.CUTOUT DAMAGE. PERFORMED HFEC OF CUTOUT & EXISTING FASTENER HOLES WITH NO DEFECTS NOTED.FABRICATED REPAIR FILLER USING 2024-T3 .100 CLAD PO# 1060037.1,REPAIR DOUBLER USING 2024-T3 .050 CLAD PO# 1056386.1&REPAIR TRIPLER USING 2028-T3 .063 CLAD PO# 1060038.1LOCATED, DRILLED & COUNTERSUNK ALL REPAIR PARTS.TREATD ALL REPAIR PARTS & INSTALLED. PART MARKED REPAIR, TOTAL REPAIR WEIGHT IS 4.8 LBS. AND DOES ONT REQ A MIG38.WORK PERFORMED IAW ASA EA # 900ER-53EA-25632.

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