-
the thickness of the repairs.
NOTE: You should measure the skin on the left and right sides of
____ the airplane as shown in Part II, Skin Measurement. To get the measurement tool contact Boeing. When you contact Boeing, you should also submit a purchase order for Technical Service Agreement (TSA). With a TSA, Boeing will analyze the measurement data and determine if the skin is within the limits necessary to RVSM>
If the analysis determines that the skin waviness is within the limits necessary for RVSM, Boeing will give an FAA form 8110-3 to the airline recommending approval.
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(9) If the skin around the pitot-static probes is within the SRM limits then no more action is necessary.
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4. Part II Skin Measurement________________________
A. Procedure
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WARNING: DO NOT MEASURE THE AIRPLANE WHILE THE PITOT-STATIC PROBES ARE
_______ HOT. THE PITOT-STATIC PROBES ARE HEATED TO 1000 DEGRRES FAHRENHEIT AND CAN SEVERELY BURN YOU IF YOU TOUCH ONE.
(1) Open these circuit breakers on the P18-3 panel and attach "DO NOT OPERATE" flags on them.
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A 737-300/400/500MAINTENANCE MANUAL
BUTT
STA SPLICE
228 STA
259.5
PITOT STATIC WINDOW
PROBES POST
SEE A
WL 226
PITOT
STATIC
PROBES
WL 194
LAP SPLICE
FWD
PITOT STATIC PROBES
(LEFT SIDE SHOWN, RIGHT SIDE OPPOSITE)
A
Skin Inspection Area
Figure 601
G18934
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(2)
Install mylar tapes on the skin as shown in Figure 602.
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(3)
Measure the skin on the right and left sides of the airplane as shown in Figure 603.
NOTE: If many people move around inside the cabin of the airplane,
____ it is possible that the airplane will rock and you will not get accurats measurements.
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(4)
Record your measurements on a copy of the table shown in Figure 604.
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(5)
After you take all of the measurements, place the tool on the skin at WL 230.0 and measure the skin at position 1 again. Record this measurement at the bottom of the worksheet in the space indicated.
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(6)
Remove the mylar tapes.
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(7)
Send the information to Boeing.
B. RVSM Reporting:
NOTE: Boeing requests operators use the followong Reduced Vertical
____ Separation Minimum (RVSM) Reporting System to tell Boeing about airplanes that fail the skin waviness inspection.
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(1) If you find a problem, send all information to Boeing with this heading.
ATTENTION - RVSM DISCREPANCY - SERVICE BULLETIN RELATED
(a) Include the following information:
1) The Service Bulletin Number.
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2) The airplane line number, variable number, or registration number upon which the discrepancy or discrepancies were found.
3) The numnber of flight cycles and hours on the airplane upon which the discrepancies were found.
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