Service difficulty report · Stiffener · Boeing 73779P

Difficulty date
December 7, 2021
Submitted
January 12, 2022
Operation
Air carrier
Aircraft
N7868K
Make and model
Boeing 73779P
Aircraft serial
29364
Aircraft time
46,433 hours, 31,343 cycles
Part
Stiffener
Condition
Cracked
Location
Horizontal Stab
Stage of operation
UK
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

RH HOR. STAB INSPAR RIB NO. 4 AT STAB STA 120.30 STIFFENER NO. 4 CRACKED ; / [01] CUT AND REMOVED THE DAMAGED FROM THE VERTICAL STIFFNER #4 AT R/H HORIZONTAL STABILIZER INSPAR RIB #4 REF SRM 55-10-09-2R-4[15] REPAIRED R/H HORIZONTAL STAB. MACHINED INSPAR RIB#4 STIFFENER#4 PER REF B737-700 SRM 55-10-09-2R-4.; [16] VERIFIED COMPLETION OF R/H HORIZONTAL STAB. MACHINED INSPAR RIB#4 STIFFENER#4 REPAIR PER REF B737-700 SRM 55-10-09-2R-4.

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