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Gill 7638-44T Battery - Citation STC Combo Kit
MFR Model# 7638-44T
Overview
|
Application Guide
| Manufacturer | Model | PMA SUP. # |
|---|---|---|
| Cessna Citation Part 23 | 525, 525A,525B, 525C | 73 |
| Cessna Citation Part 25 | 500, 501, 550, 551, S550, 560, 560XL, 650, 680 | 73 |
Warranty Info
Warranty InformationSpecifications
- TSO Authorized, DO-160E Tested
- 18 Month/1800 Hour Capacity Check Inspection
- Industry-Leading 2 Year Warranty
- Sealed, VRLA, Non-Spillable
- Best Discharge and Recharge Efficiency in
- Lead-Acid Chemistry
- Improved Power Density
- Best Shelf Life in Lead-Acid Chemistry
Documents
In The Box
- TSO'd Gill LT 7638-44T Battery (TSO item does not require a PMA)
- STC # ST00796DE
- TSO Authorization Letter
- MDL / Drawing (included with STC)
- ICA-Instructions for Continued Airworthiness (included with STC)
- STC Use Authorization Letter (Authorization to use STC). This letter will be provided per 14CFR Part 21.120
Reviews
Replaced batteries in both of our Citations (one with a NiCad years ago, and one recently with a Hawker) with this 7638-44T. Have been very satisfied with its cranking power and life. Our first one was installed in early 2017 and is still going strong over 3.5 years later. Next cap check is in January so will see if it can go another cycle. So far, I would highly recommend it as a replacement. Easy replacement -- plug and play, STC is just paperwork.
2.3 year update. Battery was obviously getting weaker. Failed Capacity Check December 2018. Replaced.
1.5 year update. Performed 18 month Capacity Check per Gill instructions. Passing is 80% or better. Battery just passed at 82%. When new, voltage dropped to 18VDC at starter engagement. Now, drops to 16 VDC. Starts are still comfortably cool, well below ITT caution limits. Looking forward to next Capacity Check in 9 months.
Installed this battery in place of 525B OEM battery Aug 2016. A true Plug & Play installation. STC SA00797DE is required for installation in Citation models 525, 525A, 525B, 525C. Form 337 and W&B update required. Engine starts have been under 750C on a hot summer ramp. Gill ICA calls for initial capacity check at 1,800 hrs or 18 months, whichever comes first. Then, 900 hrs or 9 months.
Q&A
Please note, Aircraft Spruce Canada's personnel are not certified aircraft mechanics and can only provide general support and ideas, which should not be relied upon or implemented in lieu of consulting an A&P or other qualified technician. Aircraft Spruce Canada assumes no responsibility or liability for any issue or problem which may arise from any repair, modification or other work done from this knowledge base. Any product eligibility information provided here is based on general application guides and we recommend always referring to your specific aircraft parts manual, the parts manufacturer or consulting with a qualified mechanic.
Per Gill: Simple change out. They will need to clean the area (do to chemistrys) and install. Plug n play.
Yes, please follow the CMM recommendations. It is also posted on the outside of the box. www.gillbatteries.com/Content/PDFs/LT_VRLA_CMMNew.pdf
This product, part # 11-14439, includes STC # ST00796DE for the Cessna Citation Part 25 PMA SUPPLEMENT #73 for the 560. Some installations may vary and require airframe or battery box modification.
