# SDR DALA2020021901241

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 18, 2020
- Submitted: February 19, 2020
- Operation: Air carrier
- Aircraft: N908DA
- Make and model: Doug MD-90-30
- Registry model: [Doug MD-90-30](https://openairdocs.org/model/mcdonnell-douglas-md-90-30) (OpenAirDocs)
- Aircraft serial: 53388
- Aircraft time: 63,141 hours, 34,883 cycles
- System (JASC): [5330 · Fuselage Main, Plate/Skin](https://openairdocs.org/jasc/5330)
- Part: Skin
- Condition: Corroded
- Location: Bs 943-962
- Stage of operation: IN
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DALA2020021901241

## Discrepancy

AWR HIDDEN CORROSION IN REF NRC 895. DURING REMOTION OF VAPOR BARRIER WAS FOUND CORROSION ON CENTER WING UPPER SKIN STA 943- 962 BTW X=-44 TO X=-60 AT WING BOX AREA MRB 57-331-02 (CPAX) SUMMARY; OF NRC 01179: CORROSION LEVEL 1; CORROSION ON CENTER WING UPPER SKIN STA 943- 962 BTW X=-44 TO X=-60 AT WING BOX AREA WAS REMOVED REMAINING WITHIN LIMITS PER MD-90 SRM 51-10- 03 PAR 26 VOL. II AND ETI-90-20-007 REV. ORIG AND ER/A 585124-14 REV: ORIGINAL ASSOCIATED ER/A 14-585124 ADDED FOR AC 9208 (1495495)

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