Service difficulty report · Doubler · Boeing 7377H4

Difficulty date
July 8, 2024
Submitted
August 14, 2024
Operation
Air carrier
Aircraft
N486WN
Make and model
Boeing 7377H4
Aircraft serial
33852
Aircraft time
65,647 hours, 39,360 cycles
Part
Doubler
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

CRACK FOUND AT RT SIDE HORIZONTAL STABILIZER LOWER SKIN STAB STA 193.90 I/B OF RIB I/B ROW; 17' FROM T/E. CRACK LENGTH 1' APPROX. CRACK FOUND AT RT SIDE HORIZONTAL STABILIZER LOWER SKIN STAB STA 193.90 I/B OF RIB I/B ROW 17' FROM T/E. CRACK LENGTH 1' APPROX.<[01] ACCOMPLISHED INSTALLATION OF DOUBLER AND FILLER AT RT SIDE HORIZONTAL STABILIZER LOWER SKIN STA 193.90 MATERIAL USED 2024T3 0.080' PO# 1763714 AND 2024T3 0.063' PO# 2072607 ( FILLER) IN REF B 737-700 SRM 55-10-01-2R-11 REPAIR 11; 51-40-02-0G-0;[02] RII VERIFIED ACCOMPLISHED INSTALLATION OF DOUBLER AND FILLER AT RT SIDE HORIZONTAL STABILIZER LOWER SKIN STA 193.90;[03] AUDIT C/W REF MPM 52-02-02

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