# SDR YENA2021030100137

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 24, 2021
- Submitted: March 2, 2021
- Operation: Air carrier
- Aircraft: [N651JB](https://openairdocs.org/aircraft/N651JB), registered now
- Make and model: Airbus A320-232
- Registry model: [Airbus A320-232](https://openairdocs.org/model/airbus-a320-232) (OpenAirDocs)
- Aircraft serial: 2992
- Aircraft time: 54,261 hours, 19,336 cycles
- System (JASC): [5314 · Fuselage Main, Keel](https://openairdocs.org/jasc/5314)
- Part: Keelbeam
- Condition: Gouged
- Location: 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/YENA2021030100137

## Discrepancy

DURING HEAVY MAINTENANCE, GOUGE DAMAGE WAS FOUND ON THE KEEL BEAM SIDE WALL DURING  SB 53-1259 BETWEEN FRAMES 41 AND 42 ON THE LH SIDE. SEE REF /1/ EA FOR DETAILS. VQQ CONTACTED AIRBUS AND OBTAINED AN APPROVED PERMANENT REPAIR PROCEDURE AS SHOWN IN REF /1/ EA. THE REPAIR CONSISTS OF A BLEND-OUT, DVI, REAM HOLES, HFEC AND ROTO-TESTING OF HOLES, FABRICATE & INSTALL SHIM AND APPLICATION OF SURFACE PROTECTION. AFTERWARDS VQQ WILL COMPLETE ALL REMAINING REQUIREMENTS OF A320 SB-53-1259, REV. 4. THIS EC ACCOMPLISHES THE REPAIR PER THE REF /1/ EA WITHOUT DEVIATION. A21-157-01 WILL EMBODY THE PERMANENT REPAIR INSTRUCTIONS. A21-157-02 WILL TRACK THE POST REPAIR INSPECTIONS (ROTO-TEST AS PER NTM 51-10-01 AT A THRESHOLD OF 30 000 FC / 60 000 FH (WHICHEVER OCCURS FIRST) AT AN INTERVAL OF 5 000 FC / 10 000 FH (WHICHEVER OCCURS FIRST); THIS REPAIR IS CLASSIFIED AS MAJOR.

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