Service difficulty report · Rib · Boeing 7377BD

Difficulty date
June 25, 2023
Submitted
July 28, 2023
Operation
Air carrier
Aircraft
N7721E
Make and model
Boeing 7377BD
Aircraft serial
34479
Aircraft time
56,723 hours, 30,056 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 92.70 AT 30 INCHES OF FRONT SPAR AT RT HORIZONTAL STABILIZER 2023-404978<[01] TOOL USED EDDY CURRENT EQUIPMENT PN: NORTEC500D; SN: N500X12101U102020 DUE DATE: 30 AUG 23.;[02] REPAIRED INSPAR RIB 92.70 AT 30 INCHES OF FRONT SPAR AT RT HORIZONTAL STABILIZER IAW B737-700 SRM 55-10-09-2R-4 REPAIR 4; FIG. 202; DETAIL A. SEE INDIVIDUAL SIGNOFFS BELOW.;[03] CERTIFIED WORK PERFORMED RII <BR>SEE INDIVIDUAL SIGNOFFS BELOW

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