# SDR CALA2018120202475

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 30, 2018
- Submitted: December 2, 2018
- Operation: Air carrier
- Aircraft: N424UA
- Make and model: Airbus A320-232
- Registry model: [Airbus A320-232](https://openairdocs.org/model/airbus-a320-232) (OpenAirDocs)
- Aircraft serial: 506
- Aircraft time: 78,500 hours, 30,211 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Cleat
- Part number: D53230385201
- Condition: Corroded
- Location: Fuselage
- 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/CALA2018120202475

## Discrepancy

FWD CARGO COMPARTMENT FR31 STRINGER 39R-40R CLEAT HAS CORROSION. REMOVED AND REPLACED CLEAT ON FWD CARGO FR31 STRINGER 39R-40R. REMOVED CORROSION ORIGINAL MAT. .055", MATERIAL LOSS .031", MATERIAL REMAINING .029", MAX ALLOWED THICKNESS .004", FOUND OUT LIMITS IAW SRM 51-74-00-001, SRM 53-21-12-001 ABD 0001 ISSUE G NS A 2110 PG 5. Y LC-90 IAW SRM 51-75-12-001 PG 7 PAG C. PRIMED, TOP COAT AREAS.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain, except the copies of manufacturers’ service documents, which belong to their rights holders.