Service difficulty report · Stiffener · Boeing 73779P

Difficulty date
April 22, 2023
Submitted
May 26, 2023
Operation
Air carrier
Aircraft
N7860A
Make and model
Boeing 73779P
Aircraft serial
29362
Aircraft time
49,661 hours, 34,220 cycles
Part
Stiffener
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

CRACK INSPAR RIB 4 STA 120.30 STIFFENER 3 AT RT HORIZONTAL STABILIZER 2023-282533<[01] TOOL USED EDDY CURRENT EQUIPMENT PN NORTEC 600D; SN: 60009161631; DUE DATE: 31-JAN-24;[02] REPAIRED INSPAR RIB 4 STA 120.30 STIFFENER 3 AT RT HORIZONTAL STABILIZER IAW B737-700 SRM 55-10-09-2R-4.<BR>SEE INDIVIDUAL SIGNOFFS BELOW;[03] CERTIFIED STEP 2 COMPLETE RII <BR>REPAIRED INSPAR RIB 4 STA 120.30 STIFFENER 3 AT RT HORIZONTAL STABILIZER IAW B737-700 SRM 55-10-09-2R-4. <BR>SEE INDIVIDUAL SIGNOFFS BELOW

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