Service difficulty report · Rib · Boeing 73779P

Difficulty date
May 14, 2023
Submitted
June 21, 2023
Operation
Air carrier
Aircraft
N7820L
Make and model
Boeing 73779P
Aircraft serial
28253
Aircraft time
58,307 hours, 37,562 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

CRACK INSPAR RIB STIFFENER 3 STA 120.30 AT RT HORIZONTAL STABILIZER 2023-330108<[01] TOOL USED: EDDY CURRENT FLAW DETECTOR; P/N: NORTEC 600D; S/N: 220273012; DUE DATE: 17-DEC-23;[02] TOOL USED: EDDY CURRENT EQUIPMENT. P/N: NORTEC 600D; S/N: 220273012. DUE DATE: 17-DEC-23.;[03] REPAIRED INSPAR RIB STIFFENER 3 STA 120.30 AT RT HORIZONTAL STABILIZER IAW IAW B737-700 SRM 55-10-09-2R-4 REPAIR 4 TABLE 201 FIGURE 202 AND IAW B737-700 SRM 55-10-09-2R-5 REPAIR 5 FIGURE 202 . SEE INDIVIDUAL SIGN OFF BELOW;[04] CORRECTED STEP 3 <BR>REPAIRED INSPAR RIB STIFFENER 3 STA 120.30 AT RT HORIZONTAL STABILIZER IAW B737-700 SRM 55-10-09-2R-5 REPAIR 5 FIGURE 202 . SEE INDIVIDUAL SIGN OFF BELOW;[05] REPAIRED INSPAR RIB STIFFENER 3 STA 120.30 AT RT HORIZONTAL STABILIZER IAW B737-700 SRM 55-10-09-2R-5 REPAIR 5 FIGURE 202 . SEE INDIVIDUAL SIGN OFF BELOW RII

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