# SDR CALA2021110302025

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 2, 2021
- Submitted: November 3, 2021
- Operation: Air carrier
- Aircraft: [N486UA](https://openairdocs.org/aircraft/N486UA), registered now
- Make and model: Airbus A320-232
- Registry model: [Airbus A320-232](https://openairdocs.org/model/airbus-a320-232) (OpenAirDocs)
- Aircraft serial: 1620
- Aircraft time: 58,568 hours, 25,461 cycles
- System (JASC): [5340 · Fuselage Main, Attach Fittings](https://openairdocs.org/jasc/5340)
- Part: Stringer
- Part number: D5347041821600
- Part serial: NA
- Condition: Corroded
- Location: Str42
- Stage of operation: IN
- How discovered: O
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2021110302025

## Discrepancy

(A3NB-53-4-6179) AFT CRG COMPT: STR42 LH BETWEEN FR63 AND FR64 H AS CORROSION EVIDENCE. DOT 61-055 IAW SRM 51-42-11/001 AND NDT''D CUT OUT IAW NTM 51-10-08 PART 6. SRM 53-00-13-300-001 FIG 001 SHEET 5. INSTALLED STRINGER REPAIR INSPECTION THRESHOLD FROM TIME OF ADL/REPAIR EMBODIMENT FC FABRICATED REPAIR PARTS: STRINGER DAN50B-11 BATCH 0003841248 AND IAW SRM 53-0013-300-001 FIG 001 SHEETS 02,03,04,05 & 06. THIS 60000 / FH 120000 WHICHEVER ACHIEVED FIRST SUBSEQUENT INSP TBD. COUPLING A53986212 BATCH 0003839519 IAW SRM 53-41-13-07-A AND REPAIR REQUIRES REPETITIVE INSP IAW SRI 53-00-13-205-001 TABLE 6 WORK ACCOMPLISHED BY VT MAE EMP V934344. BLENDED CORROSION ON STR42L @ FR63 AND 64 IAW SRM 51-74-00. ORG MATERIAL 0.110 AFTER REWORK 0.080 L=12", W=.8", D=0.030 OUT OF LIMITS IAW SRM 53-41-13-283-002 FIG 001 SHT 01. CUT OUT DAMAGE OK TO CARRY PER SRI 53-00-13-205-001, REQUIRES INSPECTION AT TOMC-APPROVAL FROM SC1ELBYC COMMENT 60000 TOTAL F/C''S OR 120000 TOTAL F/H''S, WHICH EVER OCCURS FIRST. TOMC APPROVED  : QC REVIEWED. TOMC APPROVED  : QC REVIEWED. INSPECTIONS CREATED BY AUTODIP PENDING AIRCRAFT RECORDS AUDIT & UPDATE.

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