Service difficulty report · Rib · Boeing 7377H4

Difficulty date
November 27, 2023
Submitted
January 4, 2024
Operation
Air carrier
Aircraft
N445WN
Make and model
Boeing 7377H4
Aircraft serial
29841
Aircraft time
64,695 hours, 38,824 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

LEFT HORIZONTAL STABILIZER LE (PANEL 331B)HAS CRAKED RIB # 19 DOT# 223<[01] REMOVED AND REPLACED RIB# 19 AT LEFT HORIZONTAL STABILIZER LE PANEL 331 B AS PER B 737-700 SRM 51-40-02-0G-0 AND DWG# 186A1001;[02] VERIFIED; STEP # 1. REMOVED AND REPLACED RIB# 19 AT LEFT HORIZONTAL STABILIZER LE PANEL 331B AS PER B 737-700 SRM 51-40-02-0G-0 AND DWG# 186A1001.

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