Service difficulty report · Skin · Boeing 7377H4

Difficulty date
July 4, 2022
Submitted
August 4, 2022
Operation
Air carrier
Aircraft
N487WN
Make and model
Boeing 7377H4
Aircraft serial
33854
Aircraft time
60,194 hours, 35,692 cycles
Part
Skin
Condition
Cracked
Location
R/H Horiz. 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

CRACK INDICATION FOUND ON RH HORIZONTAL STABILIZER LOWER IN-SPAR SKIN AT STATION 193.90 RIB; 16.500 INCH FROM FRONT SPAR; INBD SIDE OF RIB. CRACK LENGTH IS 0.800 INCH 2022-354593 / [01] TOOL USED: EDDY CURRENT EQUIPMENT; PN: NORTEC 600D; SN: 210138203; DUE DATE: 11-APR-23;[02] REPAIRED RH HORIZONTAL STABILIZER LOWER IN-SPAR SKIN AT STATION 193.90 RIB; 16.500 INCH FROM FRONT SPAR; INBD SIDE OF RIB. IAW B737-700 SRM 55-10-01-2R-11 REPAIR 11 PARAGRAPH 4 SEE INDIVIDUAL SIGNOFFS BELOW;[03] REPAIRED RH HORIZONTAL STABILIZER LOWER IN-SPAR SKIN AT STATION 193.90 RIB; 16.500 INCH FROM FRONT SPAR; INBD SIDE OF RIB. IAW B737-700 SRM 55-10-01-2R-11 REPAIR 11 PARAGRAPH 4 SEE INDIVIDUAL SIGNOFFS BELOW<BR>RII ACCOMPLISHED

More about the Boeing 737-7H4