Service difficulty report · Rib · Boeing 73779P

Difficulty date
August 29, 2023
Submitted
September 26, 2023
Operation
Air carrier
Aircraft
N7861J
Make and model
Boeing 73779P
Aircraft serial
33008
Aircraft time
49,620 hours, 33,734 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

L/H HORIZONTAL STABILIZER HAS A CRACKED VERTICAL STIFFENER 3RD FROM L/E AT INSPAR RIB 6 CORRECTION: STAB STA 129.5 (INSPAR RIB 5)<[01] REMOVED CRACK DAMAGE LEFT HAND HORIZONTAL STABILIZER INPSAR RIB AT STA 129.50 3RD VERTICAL STIFFENER FROM LEADING EDGE AND INSTALLED REPAIR IAW SRM 55-10-09-2R-4 REPAIR 4.;[02] VERIFIED CORRECTIVE ACTION STEP 1. VERIFIED MEASUREMENT TABLE AND TASK CARD COMPLETE.

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