# SDR ASAA2023041743025

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 17, 2023
- Submitted: April 29, 2023
- Operation: Air carrier
- Aircraft: [N593AS](https://openairdocs.org/aircraft/N593AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35107
- Aircraft time: 55,048 hours, 16,423 cycles
- System (JASC): [2840 · Fuel Indicating System](https://openairdocs.org/jasc/2840)
- Part: Probe
- Part number: 202000202
- Condition: Faulty
- Location: L Main Tank
- Stage of operation: IN
- How discovered: C
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2023041743025

## Discrepancy

WHILE WORKING TSR 714140 FOUND LH TANK 1 TANK UNITS 7,9, AND 11 TO BE OUT OF LIMITS. GROUNDED - YES. REMOVED AND REPLACED PROBES 7, 9 & 11 REF B737-800 AMM 28-41-21/401 . PROBE 11 REMOVED AND HAD TO BE REINSTALLED DUE TO NO REPLACEMENT PROBE REF AMM 28-41-21/401. OPS NML REF MM 28-41-00-730-801 AND MM 28-41-21-710-801.

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