Service difficulty report · Angle · Boeing 7378H4

Difficulty date
January 26, 2023
Submitted
March 13, 2023
Operation
Air carrier
Aircraft
N8525S
Make and model
Boeing 7378H4
Aircraft serial
36949
Aircraft time
20,253 hours, 9,749 cycles
Part
Angle
Condition
Corroded
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

R/H TRANSITION ANGLE 767-787 HAS CORROSION AROUND MULTIPLE FASTNER HOLES. MARKED.<[01] REMOVED CORROSION AT R/H TRANSITION ANGLE 767-794 HAS CORROSION AROUND MULTIPLE FASTNER HOLES. PER SRM.51-10-02 ; MATERIAL FOUND TO BE OUT OF LIMITS PER SRM. 53-00-53-1A 1;[02] LOCATED AND DRILLED ANGEL SHIELD SUPPORT # 146A8125U53 ; AND SHIELD PART #146A8127U12;[03] OK INSTALL;[04] INSPECTED AS REQUIRED. CORRECTIVE ACTION #2. OK TO INSTALL NEW PART.;[05] REMOVED AND REPLACED ANGEL SHIELD SUPPORT # 146A8125U53 ; AND SHIELD PART #146A8127U12 PER SRM 51-10-02;[06] REMOVAL AND REPLACEMENT OF PARTS COVERED ON FAULT#TTG8Q00HMWE2.;[07] REMOVAL AND REPLACEMENT OF PARTS COVERED ON FAULTS #TTG8QOOHMWE2 AND TTG8Q00HMYMV;[08] MEASUREMENT CHANGES;[09] INSPECTED AS REQUIRED; CORRECTIVE ACTION #5; #6; #7. VERIFIED WORK ACCOMPLISHED ON TTG8QOOHMWE2 AND TTG8Q00HMYMV.

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