# SDR SWAA2022032321509

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 30, 2019
- Submitted: May 16, 2022
- Operation: Air carrier
- Aircraft: [N7865A](https://openairdocs.org/aircraft/N7865A), registered now
- Make and model: Boeing 737-7Q8
- Registry model: [Boeing 737-7Q8](https://openairdocs.org/model/boeing-737-7q8) (OpenAirDocs)
- Aircraft serial: 30647
- Aircraft time: 49,225 hours, 32,851 cycles
- System (JASC): [5330 · Fuselage Main, Plate/Skin](https://openairdocs.org/jasc/5330)
- Part: Skin
- Part number: 144A331151
- Condition: Corroded
- Location: Centre Fuselage
- 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/SWAA2022032321509

## Discrepancy

SUPPLEMENTAL INFORMATION: FOLLOWING REMOVAL OF LH PICKLE FORK ASSY. 65AA0004- 1593; CORROSION WAS FOUND ON INNER SURFACE OF 144A3311-51 FUSELAGE SKIN AROUND 4 EACH FASTENER HOLES; BS 665-669; WL 195-200; LBL 70. ( CORROSION DOCUMENTED IN FRR-9 UNDER BOEING AOG/SWA AGREEMENT # SWA-RE-1906934.) CORROSION DISCOVERED ON 10/26/19. / AREA AROUND HOLES IDENTIFIED BY BOEING AOG AS HOLES A-D REPAIRED AS FOLLOWS: HOLE A BLENDED WIT ZERO MATERIAL LOSS; HOLE B BLENDED WITH REMAINING THICKNESS OF 0.128'; HOLE C BLENDED WITH REMAINING THICKNESS OF 0.129'; HOLE D SPOT FACED TO REMAINING THICKNESS OF .0120'AND A FILLER INSTALLED. DETAILS OF THESE REPAIRS DOCUMENTED IN BOEING AOG AGREEMENT SWA-RE-1906934 FRR-9 AND SWA EA 1-753-35922. THIS NRC WAS WRITTEN FOR CORROSION REPORTING PURPOSE. CORROSION FINDING # 20172.

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