Service difficulty report · Rib · Boeing 7377CT

Difficulty date
January 10, 2023
Submitted
February 14, 2023
Operation
Air carrier
Aircraft
N7825A
Make and model
Boeing 7377CT
Aircraft serial
32750
Aircraft time
65,629 hours, 33,836 cycles
Part
Rib
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 ON UPPER CHORD OF INSPAR RIB 120.30 FRONT SPAR AT RT HORIZONTAL STABILIZER 2023-37915<[01] TOOLS USED: TEMPERATURE CONTROLLER: P/N: P3015GOES00000; S/N: 112031023; DUE DATE: 01-FEB-23; TEMPERATURE CONTROLLER: P/N: P3015GOES00000; S/N: 112820025; DUE DATE: 01-FEB-23.;[02] TOOL USED: CALIPER; PN: 500-752-20; SN:B21014939; DUE DATE: 20-SEP-23; RADIUS GAUGE; PN: 2204A3; SN: AE-408658; DUE DATE: 05-JUN-23;[03] REPAIRED LOWER AND UPPER CHORD OF INSPAR RIB 120.30 FRONT SPAR AT RT HORIZONTAL STABILIZER IAW EA 23-155-00202 WIP1;EA 23-155-00202 WIP2; EA 23-155-00202 WIP3 AND EA 23-155-00202; SEE INDIVIDUAL SIGNOFF BELOW;[04] TASK COMPLETED ; RII <BR>SEE INDIVIDUAL SIGNOFF BELOW

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