Service difficulty report · Rib · Boeing 7378H4

Difficulty date
September 21, 2023
Submitted
November 1, 2023
Operation
Air carrier
Aircraft
N8305E
Make and model
Boeing 7378H4
Aircraft serial
36683
Aircraft time
37,944 hours, 17,309 cycles
Part
Rib
Part number
UNKNOWN
Condition
Cracked
Location
Zn 300 Stabilize
Stage of operation
IN
How discovered
9
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

LEFT HORIZONTAL STABILIZER FRONT SPAR FAIRING # 331B INTERNAL SUPPORT RIB 4 END CRACKED MKD DOT<[01] REMOVE AND REPLACE #4 RIB AT LEFT HORRIZONTAL STAB L/E PANEL# 331B AS PER REF 51-40-02-0G-0;[02] VERIFIED AMT STEP 1.

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