Service difficulty report · Sensor · Boeing 7673CB

Difficulty date
July 11, 2021
Submitted
July 12, 2021
Operation
Air carrier
Aircraft
N684UA
Make and model
Boeing 7673CB
Aircraft serial
33466
Aircraft time
61,342 hours, 11,149 cycles
Part
Sensor
Part number
S295
Condition
Faulted
Location
Slat System
Stage of operation
NR
How discovered
O
Nature of condition
N
Precautionary procedure
A

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

LE SLAT ASSYM EICAS ALERTED TWICE FLAP INDICATOR INDICATED BETWE EN 0 AND 1 ACCOMPLISHED FSEU BITE CHECK FAULT IMAGE UPDATED COULD NOT DUPLICATE FLAP ASYMMETRY DISCREP., PERFORMED PSEU BITE, FOUND S295, & CODE 10. VISUALLY INSPECTED LE SLAT NR 11 AND TRACKS FOR PHYSICAL COND. AND NORMAL OPS, NO DEFECTS NOTED. INSPECTED AND FOUND S295 GAP WITH SLAT RETRACTED AT .152, RESHIMMED SENSOR AND VERIFED SLAT EXT. AND RET. S295 GAP TO ADD EMP:U348911,U349639 UNIT, ASSY, PRO OFF 76-3260-9-0005 0886 ON 76-3260-9-0005 0941 ROTABLE PARTS CHANGE WAS INDICATED - TT # 1089410 SN OFF 0886 FOR SERVICE. CYCLED LE AND TE DEVICES SEVERAL TIMES ALL CKS. GOOD. ACFT OK (CODE 10 ISSUE) REF. AMM 32-09-04. INSTALLATION TEST GOOD. SPEC. REF. FIM 27-81-00-814-809, & AMM 27-88-01. REPLACED PSEU ENTRY IN PREVIOUS SIGNOFF MADE IN ERROR. ITEM SHOULD HAVE READ CARD 10, NOT CORE 10.

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