Service difficulty report · Seal · Boeing 7377H4

Difficulty date
May 2, 2024
Submitted
May 28, 2024
Operation
Air carrier
Aircraft
N473WN
Make and model
Boeing 7377H4
Aircraft serial
33832
Aircraft time
65,755 hours, 39,229 cycles
Part
Seal
Part number
UNKNOWN
Condition
Deteriorated
Location
Horizontal Stab
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

RIGHT HORIZONTAL STABILIZER I/B BALANCE LWR T/E ACCESS PANEL 343AB 2 AFT ANGLE METAL SEALS WITH BROW COVERS DETERIORATED..<[01] REMOVED AND REPLACED FWD AND AFT ANGLE METAL SEAL (PART#186A3004-4 AND 186A3004-18) FROM PANEL 343AB RIGHT HORIZONTAL STABILIZER I/B BALANCE LWR T/E PER B737-700 SRM 51-40-02-0G-0.;[02] VERIFIED AND INSPECTED STEP#1.

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