Service difficulty report · Attach Angle · Boeing 7377H4

Difficulty date
June 13, 2023
Submitted
June 21, 2023
Operation
Air carrier
Aircraft
N246LV
Make and model
Boeing 7377H4
Aircraft serial
32507
Aircraft time
56,401 hours, 33,937 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 LOWER ATTACH ANGLE STA 663 LBL 45 (WL193)<[01] CUT LOWER ATTACH ANGLE AS SHOWN IN FIG 2. IAW EA 23-157-01890-WIP1. CUT LOWER ATTACH ANGLE AS SHOWN IN FIG 2. IAW EA 23-157-01890-WIP1. REFER TO FAULT TTG8Q00LLRTH WHERE EA 23-157-01890 WAS ADDED AS A SUBTASK;[04] CORRECTIING ITEM 3. SHOULT READ AS FOLLOWS<BR><BR> 'REMOVED THE REPAIR THAT WAS ORIGINALLY INSTALLED PER NRC T762521. INSTALLED A NEW REPAIR PER EA 23-157-01890 [SRM 57-10-10-2R-3 (REPAIR 3 ALTERNATE 2) AND SRM 57-10-10-2R-6 (REPAIR 6)]. INSPECTION THRESHOLD DEFINED IN EA 23-157-01890-DTI.

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