Service difficulty report · Bolt · Boeing 737823

Difficulty date
February 26, 2023
Submitted
March 6, 2023
Operation
Air carrier
Aircraft
N941NN
Make and model
Boeing 737823
Aircraft serial
33232
Aircraft time
27,579 hours, 10,798 cycles
Part
Bolt
Condition
Corroded
Location
Zone 300 - Stabs
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 ON BOLT FRONT SPAR FITTING FORWARD RIGHT AT VERTICAL STABILIZER BODY STA 959.8 AND VERTICAL FIN WATER LINE 0.0. LENGTH: 0.450 INCHES, WIDTH: 0.230 INCHES, AND DEPTH: 0.003 INCHES. REMOVED AND REPLACED BOLT PER JOB CARD.