Service difficulty report · Seal · Boeing 7378H4

Difficulty date
June 19, 2024
Submitted
July 19, 2024
Operation
Air carrier
Aircraft
N8578Q
Make and model
Boeing 7378H4
Aircraft serial
64349
Aircraft time
19,610 hours, 10,120 cycles
Part
Seal
Condition
Cracked
Location
Zone 300
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; INBOARD LEADING EDGE; UPPER SLIDING SEAL IS CRACKED. M262<[01] C/W LEFT HORIZONTAL STABILIZER; INBOARD LEADING EDGE; UPPER SLIDING SEAL IS CRACKED. TOOL# T8363W DUE: 05APR25 IAW 737NG AMM 53-31-31-400-802;[02] REMOVED AND REPLACED UPPER SLIDING SEAL IAW B737NG AMM 53-31-31-400-802;[03] VERIFIED REMOVED AND REPLACED UPPER SLIDING SEAL IAW B737NG AMM 53-31-31-400-802

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