Service difficulty report · Attach Angle · Boeing 7377H4

Difficulty date
August 17, 2023
Submitted
August 24, 2023
Operation
Air carrier
Aircraft
N249WN
Make and model
Boeing 7377H4
Aircraft serial
34951
Aircraft time
56,600 hours, 34,108 cycles
Part
Attach Angle
Part number
UNKNOWN
Condition
Cracked
Location
Zn 100 Fus Lower
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 ON VAPOR BARRIER UPPER ATTACH ANGLE STA 663 AT LBL 8 (WL 167) HFEC CUT LINE IAW B737 NDT P6 51-00-00 P23. NO CRACKS NOTED;[02] REMOVED DAMAGED SECTION CENTER TANK LOWER ATTACH ANGLE AT STA 663; LBL 8; W/L 167 AND REPAIRED IAW SRM 57-10-10-2R-5 PERFORMED LEAK CHECK OF AREA IAW AMM 28-11-00-300-801 NO LEAKS NOTED. AUDIT C/W.

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