Service difficulty report · Stiffener · Boeing 76734AF

Difficulty date
March 3, 2026
Submitted
March 12, 2026
Operation
Air carrier
Aircraft
N348UP
Make and model
Boeing 76734AF
Aircraft serial
37872
Aircraft time
32,522 hours, 12,148 cycles
Part
Stiffener
Part number
491B1330033001
Condition
Cracked
Location
Zone 400
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

CRACKED BRACKET, NR 2 ENG RT THRUST REVERSER FWD TORQUE BOX SUPPORT BRACKET NEAR 3:00 POSITION. INSTALLED A NEW STIFFENR IAW SRM 51-40-02-0G, REV 94, AND AIPC 78-31-00-60, REV 141.

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