# SDR CALA2021042800552

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 26, 2021
- Submitted: April 28, 2021
- Operation: Air carrier
- Aircraft: [N494UA](https://openairdocs.org/aircraft/N494UA), registered now
- Make and model: Airbus A320-232
- Registry model: [Airbus A320-232](https://openairdocs.org/model/airbus-a320-232) (OpenAirDocs)
- Aircraft serial: 1840
- Aircraft time: 58,403 hours, 25,460 cycles
- System (JASC): [5313 · Fuselage Main, Longeron/Stringer](https://openairdocs.org/jasc/5313)
- Part: Stringer
- Part number: D5348020220201
- Condition: Corroded
- Location: Frms 64-66 S40r
- 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/CALA2021042800552

## Discrepancy

STRINGER 40R CORROSION BETWEEN FR64 TO FR66. VERIFIED STRINGER REPLACEMENT AS D5348020220201 M&E18-5341-3-0035 PO#UB96850010 SRM 53-41-13-50A FIG14 ITEM850 VERIFIED STRINGER REPLACEMENT PART AS D5348020220201 M&E18-5341-3-0035 PO#UB96850010 SRM 53-41-13-50A FIG14 ITEM850 DRILLED NEW STRINGER IN REF TO ECRA 5330-06819 PART 1 STEP 8 AND AIRBUS DRAWING D534-80510-036 VERIFIED HOLES DRILLED FOR S40RH SECTION BETWEEN FR64 AND FR66. REF ECRA 5330-06819 PART 1 STEP 8. OK TO TREAT AND PRIME. TREATED, PRIMED AND PAINTED STR40RH FR64-66, OK TO INSTALL IN REF TO ECRA5330-06819 PART 1 STEP 8 AND AIRBUS DRAWING D534-80202-202-00 VERIFIED TREAT, PRIME AND PAINT STR40RH FR64-66, OK TO INSTALL, REF ECRA5330-06819 PART 1 STEP 8 AND AIRBUS DRAWING D534-80202-202-00 REMOVED AND REPLACED STR40RH FROM FR64 TO FR67 IN REF TO SRM 53-41-13-50, 51-42-11, AIRBUS DRAWING 53480510036. REF ECRA 5330-06819 L/P6139604 FOR INTERNAL DOUBLER VERIFIED INSTALLATION OF STRINGER

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