SDR AALA202101209017

Service difficulty report · Skin · Boeing 777223

Difficulty date: January 5, 2021
Submitted: January 20, 2021
Operation: Air carrier
Aircraft: N776AN
Make and model: Boeing 777223
Aircraft serial: 29582
Aircraft time: 85,439 hours, 10,414 cycles
System (JASC): 5330 · Fuselage Main, Plate/Skin
Part: Skin
Condition: Corroded
Location: Zone 100
Stage of operation: IN
How discovered: V
Nature of condition: O
Precautionary procedure: K

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

AIRCRAFT IN BASE MAINTENANCE. CORROSION OF LT AFT LOWER FUSELAGE EXHAUST PORT SKIN AT STA 1968 BETWEEN STR 35L AND STR 36L, MEASURING L=2.5 IN, W=1.5 IN, D=0.05 IN. ACCOMPLISHED PERMANENT REINFORCING DOUBLER REPAIR, IAW SRM 53-70-01-2R-1.