SDR ASAA2022070738971

Service difficulty report · Processor · Boeing 7379

Difficulty date: July 7, 2022
Submitted: July 8, 2022
Operation: Air carrier
Aircraft: N918AK
Make and model: Boeing 7379
Aircraft serial: 44083
Aircraft time: 4,108 hours, 1,298 cycles
System (JASC): 3440 · Independent Position Determining System
Part: Processor
Part number: UNKNOWN
Condition: Loose
Location: Unknown
Stage of operation: NR
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

WXR FAIL DISPLAYED ON BOTH ND. CB 6-1 D13 REMAINED IN. CYCLED SWITCHES TO NO EFFECT. GROUNDED - YES. REF B737-9 IFIM 34-00-00-810-845. RE-SEATED WEATHER RADAR PROCESSOR, REF B737-9 AMM TASK 34-41-42-400-801. GROUND VERIFICATION OPS NORMAL, REF WXR OPERATIONAL TEST AMM TASK 34-41-00-710-801.

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