# SDR CALA2023111503374

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 10, 2023
- Submitted: November 15, 2023
- Operation: Air carrier
- Aircraft: [N777UA](https://openairdocs.org/aircraft/N777UA), registered now
- Make and model: Boeing 777222
- Aircraft serial: 26916
- Aircraft time: 104,383 hours, 18,889 cycles
- System (JASC): [5330 · Fuselage Main, Plate/Skin](https://openairdocs.org/jasc/5330)
- Part: Skin
- Part number: 147W23502
- Condition: Corroded
- Location: Sta1880, S-44l
- 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/CALA2023111503374

## Discrepancy

AFT CARGO BILGE AREA FUSELAGE SKIN FOUND HEAVY CORROSION AT STA 1880 S-44L REF HAECO NR NO.9466223 -  SPEC NO.B777-06-3-7169. AFT CGO BILGE AREA REVISION OF ECRA 5730-01098 ON OR BEFORE THE A/C REACHES 22,889 FUS STA 1824-STA 1895 STR 44L SKIN REPAIRED AS PER ECRA 5370-010 TOTAL F/C.REPEAT THE INPSECTION AT INSPECTION AT INTERVALS NOT 98 REV -.ACCOMPLISH PART 2 INSPECTION REQUIREMENTS FOR THE SKIN TO EXCEED 4,000 F/C THEREAFTER. REPAIR BETWEEN STA 1874 AND STA 1895 AT STR 44L PER LATEST.

---
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.