# SDR CALA2023082102604

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 18, 2023
- Submitted: August 21, 2023
- Operation: Air carrier
- Aircraft: [N23707](https://openairdocs.org/aircraft/N23707), registered now
- Make and model: Boeing 737724
- Aircraft serial: 28768
- Aircraft time: 76,586 hours, 27,640 cycles
- System (JASC): [5300 · Fuselage Structure (General)](https://openairdocs.org/jasc/5300)
- Part: Unknown
- Part number: UNKNOWN
- Part serial: NA
- Condition: Corroded
- Location: Str 23l
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2023082102604

## Discrepancy

ELECTRICAL AND ELECTRONICS COMPARTMENT STA 312 TO STA 325 STR 23L HAS EVIDENCE OF CORROSION REF AAR N/R 9204786 REQUIREMENTS FOR THE STR 23L LOWER AUXILIARY SILL OUTER CHORD REPAIR BETWEEN STA 312 AND STA 325 ON AIRCRAFT N23707 IN ACCORDANCE WITH PART 2 OF THE LATEST REVISION OF ECRA 5311-03050 WORK ACCOMPLISHED BY V894495 ELECTRICAL AND ELECTRONICS COMPARTMENT STA 312 TO STA 325 STR23L REPAIRED IN REF TO ESR/RES NO.2021347-16-5139 AND ECRA5311-03050 UPON THE ACCOMULATION OF 48,000 TOTSL AIRCRAFT CYCLES PLANNING TO CONTACT ENGINEERING FOR THE INSP.

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