Service difficulty report · Rib · Boeing 7377H4

Difficulty date
April 13, 2024
Submitted
May 9, 2024
Operation
Air carrier
Aircraft
N923WN
Make and model
Boeing 7377H4
Aircraft serial
36627
Aircraft time
52,310 hours, 31,812 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

HORIZONTAL STABILIZER L/E PANEL 331B HAS RIB#3 CRACK.<[01] REMOVED DAMAGE RIB #3 AND INSTALLED NEW RIB AT L/E PANEL 331 B; PER REF SRM 51-40-02-0G-0 AND DRAWING # 186A 1303;[02] VERIFIED REMOVED DAMAGE RIB #3 AND INSTALLED NEW RIB AT L/E PANEL 331 B.

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