Service difficulty report · Doubler · Boeing 7377H4

Difficulty date
June 26, 2023
Submitted
July 17, 2023
Operation
Air carrier
Aircraft
N940WN
Make and model
Boeing 7377H4
Aircraft serial
36900
Aircraft time
45,460 hours, 27,871 cycles
Part
Doubler
Part number
UNKNOWN
Condition
Cracked
Location
Zn 500 Left Wing
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

#1 SLAT BULL NOSE IS CRACKED AT FASTENER ATTACH POINT.<[01] COMPLETED STEP 1.;[12] INSTALLED REPAIR PARTS [1] DOUBLER [2] FILLER PER SRM 57-42-01-2R-8 FIG 202 ALTERNATIVE 1 - SHEET 1 AND SRM 51-40-02-0G-0.;[13] UPDATED STEPS 2 TO 6. (REQUEST OK TO INSTALL);[14] VERIFIED CORRECTIVE ACTION #13;[15] VERIFIED CORRECTIVE ACTION #12;[16] UPDATED STEPS 2 TO 6.;[17] COMPLETED STEPS 2-6;[18] UPDATED NEASUREMENT TABLE.;[19] VERIFIED MEASUREMENTS;[20] CARD COMPLETED.

More about the Boeing 737-7H4