Service difficulty report · Attach Angle · Boeing 7377H4

Difficulty date
April 19, 2024
Submitted
May 28, 2024
Operation
Air carrier
Aircraft
N473WN
Make and model
Boeing 7377H4
Aircraft serial
33832
Aircraft time
65,755 hours, 39,229 cycles
Part
Attach Angle
Part number
UNKNOWN
Condition
Cracked
Location
Bs 663
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

FASTENER HOLES CRACKED ON LEFT VAPOR BARRIER UPPER ATTACH ANGLE AT LBL 19; 25 & 33 POSITION. FASTENER HOLES CRACKED ON LEFT VAPOR BARRIER UPPER ATTACH ANGLE AT LBL 19 25 & 33 POSITION.<[01] REMOVED AND INSTALLED NEW LT VAPOR BARRIER UPPER SUPPORT ANGLE P/N # 111A1322U5 IN REF B 737-700 SRM 51-40-02-0G-0; 51-80-01-0G-0 AND DWG # 111A1322U5;[02] VERIFIED REPLACEMENT OF ANGLE STEP ONE.

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