Service difficulty report · Intercostal · Boeing 7378

Difficulty date
July 7, 2026
Submitted
August 3, 2026
Operation
Air carrier
Aircraft
N304RB
Make and model
Boeing 7378
Aircraft serial
44463
Aircraft time
20,964 hours, 7,906 cycles
Part
Intercostal
Part number
147A5660U21
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: GALVANIC CORROSION AT THE FORWARD END OF INTERCOSTAL AT STATION 947 LBL51. MAINTENANCE REPLACED INTERCOSTAL AT STATION 947 LBL51 IAW BOEING DRW 147A5650 AND AARD 51-00-05-1.

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