# SDR AALA202103129010

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 3, 2021
- Submitted: March 14, 2021
- Operation: Air carrier
- Aircraft: [N789AN](https://openairdocs.org/aircraft/N789AN), registered now
- Make and model: Boeing 777223
- Aircraft serial: 30252
- Aircraft time: 79,209 hours, 10,148 cycles
- System (JASC): [5330 · Fuselage Main, Plate/Skin](https://openairdocs.org/jasc/5330)
- Part: Skin
- Part number: 147W2350
- Condition: Corroded
- Location: Bs 1968
- 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/AALA202103129010

## Discrepancy

AIRCRAFT IN BASE MAINTENANCE: CORROSION OF FUSELAGE SKIN AROUND AFT LAVATORY EXHAUST VENT AT STA 1968 BETWEEN STR 35L AND STR 36L, MEASURING L=5.0 IN, W=2.5 IN, D=0.1 IN. ACCOMPLISHED PERMANENT REINFORCING DOUBLER REPAIR IAW B777 SRM 53-70-01-2R-1. (DUPLICATE SUBMITTAL TO SDR# AALA202103029026)

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