Service difficulty report · Rib · Boeing 73771B

Difficulty date
December 10, 2023
Submitted
December 29, 2023
Operation
Air carrier
Aircraft
N7845A
Make and model
Boeing 73771B
Aircraft serial
29366
Aircraft time
50,501 hours, 32,811 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 LOC ON FWD UPPER FLANGE ON INSPAR RIB 120.30 AT RT HORIZONTAL STAB 2023-748609<[01] TOOL USED: TEMPERATURE CONTROLLER P/N P3015GOES00000 S/N 142811020 DUE DATE:25-JAN-24. TEMPERATURE CONTROLLER P/N P3015GOES00000 S/N 142811019 DUE DATE: 25-JAN-24.;[02] TOOL USED: RADIOMETER PHOTOMETER P/N: XRP-3000; S/N: 1753759; CAL DUE DATE: 12-APR-24;[03] PERFORMED REPAIR FWD UPPER FLANGE ON INSPAR RIB 120.30 AT RT HORIZONTAL STAB IAW EA 23-155-03698-WIP1 AND EA 23-155-03698 SEE INDIVIDUAL SIGNOFFS BELOW;[04] PERFORMED REPAIR FWD UPPER FLANGE ON INSPAR RIB 120.30 AT RT HORIZONTAL STAB IAW EA 23-155-03698-WIP1 AND EA 23-155-03698 SEE INDIVIDUAL SIGNOFFS BELOW<BR>RII

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