Service difficulty report · Angle · Boeing 7378H4

Difficulty date
December 16, 2020
Submitted
January 7, 2021
Operation
Air carrier
Aircraft
N8606C
Make and model
Boeing 7378H4
Aircraft serial
35964
Aircraft time
27,985 hours, 12,262 cycles
Part
Angle
Condition
Corroded
Location
Aft Cargo Bay
Stage of operation
IN
How discovered
V
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

AFT CARGO BAY; Z-ANGLE BS 767-727; RBL 23; WL 156; CORRODED. REMOVED CORROSION ON ZEE ANGLE AFT CARGO STA 767-727 RBL 23 WL 156, IAW SRM 51-10-02-0G-0 AND INSPECTED W/10X MAG GLASS. EVALUATED MATERIAL LOSS STA 727 TO STA 727G: ORIGINAL T=.040' REMAINING T=.037' LOSS=.003' LIMIT=.004'. ZEE ANGLE 727 TO 727G IS FOUND TO BE WITHIN LIMITS, IAW SRM 53-00-53-1A-2 FIG 103 DET D. EVALUATED MATERIAL LOSS STA 727G TO 767: ORIGINAL T=.040' REMAINING T=.033 LOSS =.007' LIMIT =.004'. ZEE ANGLE STA 727G TO 767 IS FOUND TO BE OUT OF LIMITS, IAW SRM 53-00-53-1A-2 FIG 103 DET D. REMOVED AND REPLACED ZEE ANGLE STA 727F +12' TO STA 767, IAW SRM 53-00-53-2R-5 AND SRM 51-40-02-06-0. APPLIED CIC TO VAPER AND LOWER SURFACES, IAW AMM P/N 51.21.91.620.802. 146A7502-52.

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