Service difficulty report · Support Angle · Boeing 7377H4

Difficulty date
July 29, 2021
Submitted
September 14, 2021
Operation
Air carrier
Aircraft
N491WN
Make and model
Boeing 7377H4
Aircraft serial
33867
Aircraft time
53,758 hours, 31,898 cycles
Part
Support Angle
Condition
Corroded
Location
Bs 703 Lbl66
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

CORROSION ON SUPPORT ANGLE AT PASSENGER CABIN BS703 LBL66 WL202. ; / [01] REMOVED FASTENER ON SUPPORT ANGLE BS703 LBL66 WL202 I.A.W SRM 51-40-02-0G-0; [02] REMOVED CORROSION ON SUPPORT ANGLE BS703 LBL66 WL202 I.A.W SRM 51-10-02-0G-0 1'X1' AREA; [03] VERIFIED CORROSION REMOVAL; [04] UT INSPECTED BLEND IAW 737 NDTM PART 4 51-00-00 PROCEDURE 2; REMAINING THICKNESS IS 0.065' ADJACENT TO 0.071'. EQUIP ID#: ATS2031 S/N: 170515011; [05] PERFORMED GVI OF REWORK AREA- NO ADDITIONAL DAMAGE NOTED; [06] REFER TO FAULT TTG8Q005ZHVL WHERE EA 21-153-02309 WAS ADDED AS A SUBTASK.; [07] VERIFIED REFER TO FAULT TTG8Q005ZHVL WHERE EA 21-153-02309 WAS ADDED AS A SUBTASK.

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